Advertisement
Guest User

Untitled

a guest
Jan 27th, 2020
144
0
Never
Not a member of Pastebin yet? Sign Up, it unlocks many cool features!
text 19.17 KB | None | 0 0
  1. <!DOCTYPE html>
  2. <html lang="en-US">
  3. <head>
  4. <meta charset='utf-8'>
  5. <meta name="viewport" content="width=device-width, initial-scale=1.0">
  6. <!-- This encourages IE to *not* use compatibility view, which breaks math4 -->
  7. <meta http-equiv="X-UA-Compatible" content="IE=Edge"/>
  8.  
  9. <!--
  10. ################################################################################
  11. # WeBWorK Online Homework Delivery System
  12. # Copyright © 2000-2007 The WeBWorK Project, http://openwebwork.sf.net/
  13. # $CVSHeader: webwork2/conf/templates/math3/system.template,v 1.2 2008/06/26 19:46:02 gage Exp $
  14. #
  15. # This program is free software; you can redistribute it and/or modify it under
  16. # the terms of either: (a) the GNU General Public License as published by the
  17. # Free Software Foundation; either version 2, or (at your option) any later
  18. # version, or (b) the "Artistic License" which comes with this package.
  19. #
  20. # This program is distributed in the hope that it will be useful, but WITHOUT
  21. # ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  22. # FOR A PARTICULAR PURPOSE. See either the GNU General Public License or the
  23. # Artistic License for more details.
  24. ################################################################################
  25. -->
  26.  
  27. <link rel="icon" type="x-image/icon" href="/webwork2_files/images/favicon.ico"/>
  28.  
  29. <!-- CSS Loads -->
  30. <link rel="stylesheet" type="text/css" href="/webwork2_files/js/vendor/bootstrap/css/bootstrap.css"/>
  31. <link href="/webwork2_files/js/vendor/bootstrap/css/bootstrap-responsive.css" rel="stylesheet" />
  32. <link rel="stylesheet" type="text/css" href="/webwork2_files/css/vendor/font-awesome/css/font-awesome.min.css"/>
  33. <link rel="stylesheet" type="text/css" href="/webwork2_files/themes/math4/math4.css"/>
  34.  
  35. <link rel="stylesheet" type="text/css" href="/webwork2_files/css/jquery-ui-1.8.18.custom.css"/>
  36.  
  37.  
  38. <link rel="stylesheet" type="text/css" href="/webwork2_files/themes/math4/achievements.css"/>
  39.  
  40.  
  41.  
  42.  
  43. <link href="/webwork2_files/css/knowlstyle.css" rel="stylesheet" type="text/css" />
  44.  
  45.  
  46.  
  47. <link rel="stylesheet" type="text/css" href="/webwork2_files/themes/math4/math4-overrides.css"/>
  48.  
  49.  
  50. <!-- JS Loads -->
  51. <script type="text/javascript" src="/webwork2_files/js/vendor/jquery/jquery.js"></script>
  52. <script type="text/javascript" src="/webwork2_files/mathjax/MathJax.js?config=TeX-MML-AM_HTMLorMML-full"></script>
  53.  
  54. <script type="text/javascript" src="/webwork2_files/js/jquery-ui-1.9.0.js"></script>
  55.  
  56. <script type="text/javascript" src="/webwork2_files/js/vendor/bootstrap/js/bootstrap.js"></script>
  57.  
  58.  
  59. <script src="/webwork2_files/js/legacy/dragmath.js" type="text/javascript"></script><script src="/webwork2_files/js/apps/AddOnLoad/addOnLoadEvent.js" type="text/javascript"></script><script src="/webwork2_files/js/legacy/java_init.js" type="tesxt/javascript"></script><script src="/webwork2_files/js/apps/InputColor/color.js" type="text/javascript"></script><script src="/webwork2_files/js/apps/Base64/Base64.js" type="text/javascript"></script>
  60. <script type="text/javascript" src="/webwork2_files/js/vendor/underscore/underscore.js"></script>
  61. <script type="text/javascript" src="/webwork2_files/js/legacy/vendor/knowl.js"></script><script src="/webwork2_files/js/apps/Problem/problem.js" type="text/javascript"></script>
  62.  
  63. <script type="text/javascript" src="/webwork2_files/themes/math4/math4.js"></script>
  64.  
  65. <script type="text/javascript" src="/webwork2_files/themes/math4/math4-overrides.js"></script>
  66.  
  67.  
  68. <title>WeBWorK : Winter201920-Engr220-002003 : HW16 : 5
  69. </title>
  70.  
  71.  
  72. </head>
  73.  
  74. <body>
  75. <a href="#page-title" id="stmc-link" class="sr-only sr-only-focusable">Skip to main content</a>
  76. <!-- Please remind this -->
  77. <script src="/webwork2_files/js/legacy/vendor/wz_tooltip.js" type="text/javascript"></script>
  78.  
  79.  
  80. <!-- Bootstrap Fluid Layout Scaffolding start -->
  81. <div id="bs-container" class="container-fluid">
  82. <!-- Header -->
  83. <div id = "masthead" class="row-fluid" role="banner">
  84. <div class="span2 webwork_logo">
  85. <a href="/webwork2"><img src="/webwork2_files/images/webwork_transparent_logo_small.png" alt="to courses page" />WeBWorK</a>
  86. </div>
  87. <div class="span4 maa_logo">
  88. <a href="http://www.maa.org"><img src="/webwork2_files/images/maa_logo_small.png" alt="to MAA (Mathematical Association of America) main web site" /></a>
  89. </div>
  90. <div id="loginstatus" class="offset3 span3">
  91. Logged in as dql001.<a href="/webwork2/Winter201920-Engr220-002003/logout/?effectiveUser=dql001&amp;key=kOXWOmkWG6VnwXbeEuJX266tkP6wP0zy&amp;user=dql001">Log Out</a>
  92. </div>
  93. </div>
  94.  
  95. <!-- Run masthead class js because it gets rendered early -->
  96. <script type="text/javascript">
  97. // Changes links in masthead
  98. $('#loginstatus a').addClass('btn btn-small');
  99. $('#loginstatus a').append(' <span class="icon icon-signout" data-alt="signout"></span>');
  100. </script>
  101.  
  102. <div id="body-row" class="row-fluid">
  103.  
  104. <!-- Navigation -->
  105. <div id="site-navigation" class="span2 hidden" role="navigation" aria-label="main navigation">
  106.  
  107. <div id="site-links">
  108. <ul><li class="nav-header"><h2>Main Menu</h2></li><li><a href="/webwork2/">Courses</a></li><li><a href="/webwork2/Winter201920-Engr220-002003/?key=kOXWOmkWG6VnwXbeEuJX266tkP6wP0zy&amp;effectiveUser=dql001&amp;user=dql001">Homework Sets</a></li><li><ul><li><a href="/webwork2/Winter201920-Engr220-002003/HW16/?user=dql001&amp;effectiveUser=dql001&amp;key=kOXWOmkWG6VnwXbeEuJX266tkP6wP0zy">HW16</a></li><li><ul><li><a class="active" href="/webwork2/Winter201920-Engr220-002003/HW16/5/?user=dql001&amp;effectiveUser=dql001&amp;key=kOXWOmkWG6VnwXbeEuJX266tkP6wP0zy">Problem 5</a></li></ul></li></ul></li><li><a href="/webwork2/Winter201920-Engr220-002003/options/?key=kOXWOmkWG6VnwXbeEuJX266tkP6wP0zy&amp;effectiveUser=dql001&amp;user=dql001">User Settings</a></li><li><a href="/webwork2/Winter201920-Engr220-002003/grades/?effectiveUser=dql001&amp;key=kOXWOmkWG6VnwXbeEuJX266tkP6wP0zy&amp;user=dql001">Grades</a></li></ul>
  109. </div>
  110.  
  111.  
  112.  
  113. <div id="siblings">
  114. <div class="info-box" id="fisheye"><h2>Problems</h2><ul class="problem-list"><div aria-label="progress bar for current problem set" class="progress-bar set-id-tooltip"><div aria-label="correct progress bar for current problem set" class="correct-progress set-id-tooltip" data-original-title="Correct: 4/5" data-placement="bottom" data-toggle="tooltip" style="width:80%" title="" /></div><div aria-label="in progress bar for current problem set" class="inprogress-progress set-id-tooltip" data-original-title="In progress: 1/5" data-placement="bottom" data-toggle="tooltip" style="width:20%" title="" /></div></div><li><a href="/webwork2/Winter201920-Engr220-002003/HW16/1/?user=dql001&amp;key=kOXWOmkWG6VnwXbeEuJX266tkP6wP0zy&amp;effectiveUser=dql001">Problem 1 &#x2713;</a></li><li><a href="/webwork2/Winter201920-Engr220-002003/HW16/2/?key=kOXWOmkWG6VnwXbeEuJX266tkP6wP0zy&amp;effectiveUser=dql001&amp;user=dql001">Problem 2 &#x2713;</a></li><li><a href="/webwork2/Winter201920-Engr220-002003/HW16/3/?user=dql001&amp;effectiveUser=dql001&amp;key=kOXWOmkWG6VnwXbeEuJX266tkP6wP0zy">Problem 3 &#x2713;</a></li><li><a href="/webwork2/Winter201920-Engr220-002003/HW16/4/?user=dql001&amp;effectiveUser=dql001&amp;key=kOXWOmkWG6VnwXbeEuJX266tkP6wP0zy">Problem 4 &#x2713;</a></li><li class="currentProblem"><a href="/webwork2/Winter201920-Engr220-002003/HW16/5/?effectiveUser=dql001&amp;key=kOXWOmkWG6VnwXbeEuJX266tkP6wP0zy&amp;user=dql001">Problem 5 &hellip;</a></li></ul></div>
  115. </div>
  116.  
  117.  
  118. </div>
  119.  
  120. <!-- Run site-navigation js because it gets loaded early -->
  121. <script type="text/javascript">
  122. // Makes the fisheye stuff bootstrap nav
  123. $('#site-navigation ul').addClass('nav nav-list');
  124. $('#site-navigation li').each(function () { $(this).html($(this).html().replace(/<br>/g,"</li><li>")); });
  125. $('#site-navigation a.active').parent().addClass('active');
  126. $('#site-navigation strong.active').parent().addClass('active');
  127. $('#site-navigation li').find('br').remove();
  128.  
  129. $('img[src$="question_mark.png"]').replaceWith('<span class="icon icon-question-sign" data-alt="help" style="font-size:16px; margin-right:5px"></span>');
  130.  
  131. // Display options formatting
  132. $('.facebookbox input:submit').addClass('btn-small');
  133.  
  134. $('#site-navigation').removeClass('hidden');
  135.  
  136. </script>
  137.  
  138.  
  139. <!-- Main Content Area -->
  140. <div id="content" class="span10" >
  141. <!-- Breadcrumb -->
  142. <div id="breadcrumb-row" class="row-fluid">
  143. <div class="span12">
  144. <a href="#" class="btn btn-primary btn" id="toggle-sidebar">
  145. <span id="toggle-sidebar-icon" class="icon icon-chevron-left" data-alt="close sidebar"></span></a>
  146.  
  147. <div id="breadcrumb-navigation" role="navigation" aria-label="breadcrumb navigation">
  148. <ul class="breadcrumb">
  149. <li><a href="/webwork2?user=dql001&amp;effectiveUser=dql001&amp;key=kOXWOmkWG6VnwXbeEuJX266tkP6wP0zy">webwork</a></li><li><span aria-hidden='true' class='divider'>/</span></li><li><a href="/webwork2/Winter201920-Engr220-002003?user=dql001&amp;effectiveUser=dql001&amp;key=kOXWOmkWG6VnwXbeEuJX266tkP6wP0zy">winter201920-engr220-002003</a></li><li><span aria-hidden='true' class='divider'>/</span></li><li><a href="/webwork2/Winter201920-Engr220-002003/HW16?user=dql001&amp;effectiveUser=dql001&amp;key=kOXWOmkWG6VnwXbeEuJX266tkP6wP0zy">hw16</a></li><li><span aria-hidden='true' class='divider'>/</span></li><li><a href="/webwork2/Winter201920-Engr220-002003/HW16/5?user=dql001&amp;effectiveUser=dql001&amp;key=kOXWOmkWG6VnwXbeEuJX266tkP6wP0zy">5</a></li>
  150.  
  151. </ul>
  152. </div>
  153. </div></div>
  154. <!-- Run breadcrumb js since it gets loaded early -->
  155. <script type="text/javascript">
  156. $('#toggle-sidebar').removeClass('btn-primary')
  157. </script>
  158.  
  159. <!-- Page Title -->
  160.  
  161. <div class="row-fluid"><div class="span12">
  162. <h1 id='page-title' class='page-title'>HW16: Problem 5</h1>
  163. </div></div>
  164.  
  165.  
  166.  
  167. <div class="row-fluid">
  168. <div id="problem-nav" class="problem-nav span7" role="navigation" aria-label="problem navigation">
  169. <!-- Question Navigation, e.g.: Prev, Up, Next for homeworks -->
  170.  
  171. <a class="nav_button" href="/webwork2/Winter201920-Engr220-002003/HW16/4/?user=dql001&amp;effectiveUser=dql001&amp;key=kOXWOmkWG6VnwXbeEuJX266tkP6wP0zy&amp;displayMode=MathJax&amp;showOldAnswers=1">Previous Problem</a> <a class="nav_button" href="/webwork2/Winter201920-Engr220-002003/HW16/?user=dql001&amp;effectiveUser=dql001&amp;key=kOXWOmkWG6VnwXbeEuJX266tkP6wP0zy&amp;displayMode=MathJax&amp;showOldAnswers=1">Problem List</a> <span class="gray_button">Next Problem</span>
  172.  
  173.  
  174. </div>
  175.  
  176. <div id="Message" class="Message span4 offset1">
  177. <!-- Message for the user -->
  178.  
  179.  
  180. <!-- BEGIN WeBWorK::ContentGenerator::message -->
  181. <!-- END WeBWorK::ContentGenerator::message -->
  182.  
  183.  
  184. </div>
  185. </div>
  186.  
  187.  
  188. <!-- Header Text for problem -->
  189.  
  190.  
  191.  
  192.  
  193. <!-- ==============BEGIN BODY OF PROBLEM=============== -->
  194.  
  195. <!-- Indicate presence of perl warnings -->
  196.  
  197.  
  198.  
  199. <div class="row-fluid">
  200. <div id="tag_info" class="span12">
  201.  
  202. </div></div>
  203.  
  204.  
  205.  
  206. <!-- ==== in this case print body parts ELSE print entire body --> <div class="row-fluid">
  207. <div id="problem_body" class="Body span12">
  208.  
  209.  
  210. <div id="custom_edit_message" class="row-fluid"><div class="span10">
  211.  
  212. </div><div class="span2"></div></div>
  213.  
  214.  
  215. <div class="row-fluid"><div id="output_summary" class="span10">
  216. <script type="text/javascript">addOnLoadEvent(function () {color_inputs([
  217.  
  218. ],[
  219. ]
  220. )});</script>
  221. </div><div class="span2"></div></div>
  222.  
  223.  
  224.  
  225. <div class="row-fluid"><div id="output_achievement_message" class="span10">
  226.  
  227. </div><div class="span2"></div></div>
  228.  
  229.  
  230.  
  231. <div class="row-fluid"><div id="output_comments" class="span10">
  232.  
  233. </div><div class="span2"></div></div>
  234.  
  235.  
  236.  
  237.  
  238.  
  239.  
  240. <div class="row-fluid">
  241. <div class="span10">
  242. <form method="post" action="/webwork2/Winter201920-Engr220-002003/HW16/5/" enctype="multipart/form-data" id="problemMainForm" name="problemMainForm" onsubmit="submitAction()"><input type="hidden" name="user" value="dql001" id="hidden_user" /><input type="hidden" name="effectiveUser" value="dql001" id="hidden_effectiveUser" /><input type="hidden" name="key" value="kOXWOmkWG6VnwXbeEuJX266tkP6wP0zy" id="hidden_key" />
  243.  
  244. <input type="hidden" name="templateName" value="system" id="templateName_id" />
  245.  
  246.  
  247.  
  248. <div class="problem">
  249.  
  250. <div id="problem_body" class="problem-content">
  251.  
  252. <div><script type="text/x-mathjax-config">
  253. MathJax.Hub.Config({
  254. MathMenu: {showContext: true}
  255. });
  256. </script>
  257. <script type="text/javascript">
  258. if(!window.MathJax)
  259. (function () {
  260. var script = document.createElement("script");
  261. script.type = "text/javascript";
  262. script.src = "/webwork2_files/mathjax/MathJax.js?config=TeX-MML-AM_HTMLorMML-full";
  263. document.getElementsByTagName("head")[0].appendChild(script);
  264. })();
  265. </script>
  266. <P style="margin: 0">(10 points) Difficulty (4/5)
  267. <P>
  268. <A HREF= "/webwork2_files/tmp/Winter201920-Engr220-002003/images/e6deaa6c-d641-398c-8759-f3cb5af4f7b7___a4050a78-ffbe-3263-8dd8-dec9883e7f63.png" TARGET="_blank"
  269. onclick="window.open(this.href,this.target, 'width=430,height=430,scrollbars=yes,resizable=on'); return false;">
  270. <IMG SRC="/webwork2_files/tmp/Winter201920-Engr220-002003/images/e6deaa6c-d641-398c-8759-f3cb5af4f7b7___a4050a78-ffbe-3263-8dd8-dec9883e7f63.png" WIDTH="455" HEIGHT="442" >
  271. </A>
  272.  
  273. <P>
  274. <B><I> Dimensions: </B></I><BR/>
  275. <TABLE BORDER='1' STYLE='text-align:center;'>
  276.  
  277. <TR>
  278. <TD><div align="center"><I> a </div></I></TD><TD><div align="center"><I> b </div></I></TD><TD><div align="center"><I> c </div></I></TD>
  279. </TR>
  280.  
  281. <TR>
  282. <TD><div align="center">&nbsp; 12 in &nbsp;</div></TD><TD><div align="center">&nbsp; 8 ft &nbsp;</div></TD><TD><div align="center">&nbsp; 3.7 ft &nbsp;</div></TD>
  283. </TR>
  284.  
  285. </TABLE>
  286.  
  287. <P>
  288. <B><I> Problem Statement: </B></I><BR/>
  289. A wooden deck is constructed to support a haystack as shown. The joists of the floor are to be made with dressed air-dry douglas fir lumber with nominal widths of 2 inches. You know that a 14"x18"x36" square bale of this kind of hay weighs 68 lb, and you are assuming the hay in the haystack has the same density as these square bales. (This is probably a conservative estimate, since the bales are probably denser than the stack in reality.) You would like to design the joists to have a factor of safety of 4.6 against yielding. Determine the following:
  290. <P>
  291. (a) The maximum value of the distributed load applied to one joist.<BR/>
  292. (b) The maximum bending moment experienced by one joist.<BR/>
  293. (c) The minimum required height <I> h </I> of the joists.<BR/>
  294. (d) The minimum required section modulus of the joists.<BR/>
  295. (e) The smallest standard lumber size acceptable to use for joists.
  296. <P>
  297. <B><I> Answers: </B></I><BR/>
  298. (a) <span class="MathJax_Preview">[math]</span><script type="math/tex">w_{max}</script> = <input type=text class="codeshard" size=10 name="AnSwEr0001" id="AnSwEr0001" aria-label="answer 1 " value="-47.92380952 lb/ft"/>
  299. <input type=hidden name="previous_AnSwEr0001" value="-47.92380952 lb/ft"/>
  300. <BR/>
  301. (b) <span class="MathJax_Preview">[math]</span><script type="math/tex">M_{max}</script> = <input type=text class="codeshard" size=10 name="AnSwEr0002" id="AnSwEr0002" aria-label="answer 2 " value="-1533.561905 lb&#42;ft"/>
  302. <input type=hidden name="previous_AnSwEr0002" value="-1533.561905 lb&#42;ft"/>
  303. <BR/>
  304. (c) <span class="MathJax_Preview">[math]</span><script type="math/tex">h_{min}</script> = <input type=text class="codeshard" size=10 name="AnSwEr0003" id="AnSwEr0003" aria-label="answer 3 " value=""/>
  305. <input type=hidden name="previous_AnSwEr0003" value=""/>
  306. <BR/>
  307. (d) <span class="MathJax_Preview">[math]</span><script type="math/tex">S_{min}</script> = <input type=text class="codeshard" size=10 name="AnSwEr0004" id="AnSwEr0004" aria-label="answer 4 " value=""/>
  308. <input type=hidden name="previous_AnSwEr0004" value=""/>
  309. <BR/>
  310. (e) Lumber Choice = <SELECT class="pg-select" NAME = "AnSwEr0005" id="AnSwEr0005" SIZE=1>
  311. <OPTION SELECTED VALUE ="" > </OPTION>
  312. <OPTION VALUE ="2x4" > 2x4 </OPTION>
  313. <OPTION VALUE ="2x6" > 2x6 </OPTION>
  314. <OPTION VALUE ="2x8" > 2x8 </OPTION>
  315. <OPTION VALUE ="2x10" > 2x10 </OPTION>
  316. <OPTION VALUE ="2x12" > 2x12 </OPTION>
  317. </SELECT>
  318.  
  319. <P>
  320. <I> be sure to include units with your answers </I>
  321.  
  322.  
  323. </div>
  324. </div>
  325.  
  326.  
  327. <p><b>Note: </b><i>You can earn partial credit on this problem.</i></p>
  328.  
  329.  
  330.  
  331.  
  332. </div>
  333.  
  334.  
  335.  
  336. <p>
  337.  
  338.  
  339.  
  340.  
  341. <input id="previewAnswers_id" name="previewAnswers" onclick="this.form.target='_self'" type="submit" value="Preview My Answers" /><input id="submitAnswers_id" name="submitAnswers" onclick="this.form.target='_self'" type="submit" value="Submit Answers" />
  342.  
  343. </p>
  344.  
  345.  
  346. <div id="score_summary" class="scoreSummary">
  347. <p>You have attempted this problem 5 times.<br />Your overall recorded score is 0%. <br />You have unlimited attempts remaining.</p>
  348. </div>
  349.  
  350.  
  351.  
  352. <input type="hidden" name="showOldAnswers" value="1" /><input type="hidden" name="displayMode" value="MathJax" />
  353.  
  354. </form>
  355.  
  356.  
  357. <!-- inserted problem piece by piece -->
  358.  
  359.  
  360.  
  361. </div><div class="span2"></div></div>
  362. </div></div>
  363.  
  364. <!-- ==== end printing body parts -->
  365.  
  366.  
  367. <!-- ==============END BODY OF PROBLEM=============== -->
  368.  
  369. <div id="problemFooter" class="problemFooter">
  370.  
  371.  
  372.  
  373.  
  374. <form method="post" action="/webwork2/Winter201920-Engr220-002003/feedback/" enctype="multipart/form-data">
  375. <input type="hidden" name="user" value="dql001" id="email-hidden_user" /><input type="hidden" name="effectiveUser" value="dql001" id="email-hidden_effectiveUser" /><input type="hidden" name="key" value="kOXWOmkWG6VnwXbeEuJX266tkP6wP0zy" id="email-hidden_key" />
  376. <input type="hidden" name="showOldAnswers" value="1" />
  377. <input type="hidden" name="module" value="WeBWorK::ContentGenerator::Problem" />
  378. <input type="hidden" name="displayMode" value="MathJax" />
  379. <input type="hidden" name="showSolutions" value="" />
  380. <input type="hidden" name="showCorrectAnswers" value="" />
  381. <input type="hidden" name="showHints" value="1" />
  382. <input type="hidden" name="problem" value="5" />
  383. <input type="hidden" name="set" value="HW16" />
  384. <p><input type="submit" name="feedbackForm" value="Email instructor" /></p>
  385. </form>
  386.  
  387.  
  388. </div>
  389.  
  390.  
  391.  
  392.  
  393. <div id="Message_bottom" class="Message">
  394.  
  395. <!-- BEGIN WeBWorK::ContentGenerator::message -->
  396. <!-- END WeBWorK::ContentGenerator::message -->
  397.  
  398. </div>
  399.  
  400.  
  401. </div><!--content-->
  402.  
  403.  
  404. <!-- Bootstrap Fluid Layout Scaffolding stop -->
  405. </div> <!-- row-fluid -->
  406. </div> <!-- container-fluid -->
  407.  
  408.  
  409. <!-- Footer -->
  410. <div id="footer" role="contentinfo">
  411. <div id="last-modified">Page generated at 01/27/2020 at 10:33pm CST</div><div id="copyright">WeBWorK &#169; 1996-2017| theme: math4 | ww_version: WeBWorK-2.13 | pg_version PG-2.13| <a href="http://webwork.maa.org/">The WeBWorK Project</a></div>
  412. </div>
  413.  
  414. </body>
  415. </html>
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement