Information Links:
15 – https://www.sciencealert.com/here-s-why-there-are-holes-in-the-tops-of-pen-caps
https://www.scoopwhoop.com/Why-Do-Pen-Caps-Have-Holes/#.p7c9v09dm
http://www.independent.co.uk/life-style/why-do-bic-pens-have-a-hole-in-their-lid-to-stop-choking-a6856061.html
14 – https://blog.allstate.com/is-your-gas-cap-on-the-left-or-the-right/
http://www.slate.com/blogs/browbeat/2012/05/09/dashboard_gas_gauge_arrows_what_do_they_indicate_.html
http://www.snopes.com/autos/techno/icon.asp
13 – https://www.quora.com/Why-do-the-F-and-J-keys-on-keyboards-have-bumps-on-them
https://www.computerhope.com/issues/ch000922.htm
http://www.businessinsider.com/f-j-keys-bumps-keyboard-2017-1
12 – http://makezine.com/2015/11/02/5-cool-things-you-may-not-know-about-your-tape-measure/
http://lifehacker.com/use-a-tape-measure-like-a-pro-with-these-handy-tips-1792834263
11 – http://www.oberk.com/packaging-crash-course/liner-the-often-overlooked-element-between-your-cap-and-bottle
https://www.calpaclab.com/caps-and-liners/
10 – http://www.slate.com/blogs/the_eye/2015/05/29/what_s_that_thing_why_are_there_holes_in_airplane_windows.html
http://www.travelandleisure.com/airlines-airports/the-real-reason-why-theres-a-tiny-hole-in-airplane-windows
http://www.sciencealert.com/here-s-why-there-s-a-tiny-hole-in-airplane-windows
9 – http://www.husky.com/press/magbreak/
https://www.youtube.com/watch?v=_65zyHCNFv8
8 – https://www.familyhandyman.com/workshop/tips-for-loosening-nuts-bolts-and-screws/view-all
https://www.reddit.com/r/lifehacks/comments/31p4k7/some_screwdriver_handles_are_shaped_so_that_a/
7 – https://en.wikipedia.org/wiki/Faraday_cage
http://science.howstuffworks.com/faraday-cage.htm
http://modernsurvivalblog.com/emp-electro-magnetic-pulse/microwave-oven-used-as-a-faraday-cage/
6 – http://www.lifebuzz.com/eraser/
https://www.scoopwhoop.com/blue-part-of-the-eraser/#.cmb2cr6or
5 – https://www.reddit.com/r/NoStupidQuestions/comments/2vl4do/anyone_know_why_the_cap_on_pill_bottles_screws_in/
https://www.reddit.com/r/mildlyinteresting/comments/1vws8j/walgreens_pill_bottle_lids_screw_on_upside_down/
4 – https://en.wikipedia.org/wiki/Raised_pavement_marker
http://www.answers.com/Q/What_does_it_mean_if_the_road_reflectors_appear_to_be_red_when_your_headlights_shine_on_them?#slide=1
3 – http://www.today.com/food/pasta-hack-here-s-why-your-spaghetti-spoon-has-hole-t100560
http://mentalfloss.com/article/82672/hole-your-spaghetti-spoon-serves-handy-purpose
2 – https://www.quora.com/What-is-the-purpose-of-the-small-pinhole-found-in-many-locker-locks-next-to-the-key-hole
https://www.beingindian.com/lifestyle/why-is-there-a-hole-in-the-padlock
1 – https://www.youtube.com/watch?v=a3Z5wxJBafM
https://www.apple.com/shop/question/answers/product/MD506LL/A/what-is-the-use-for-the-2-little-wings-you-can-flip-open-on-charger/QTKKXTJ492KKAUCDU

Image Links:
Intro-
https://www.shutterstock.com/image-photo/nuclear-explosion-sunset-over-manhattan-479849482?src=KheOQw8QNC2mGVLJ5eosiA-1-3
https://www.shutterstock.com/image-photo/cheese-slices-isolated-on-white-background-253185553?src=9I_Zm8lx_y_v0aJx80EBSQ-1-4
https://www.shutterstock.com/image-vector/fully-editable-vector-illustration-everyday-items-97653458?src=vhluD6f8m6OmBiZ3k7q4-g-1-56

15 – https://commons.wikimedia.org/wiki/File:03-BICcristal2008-03-26.jpg
https://www.shutterstock.com/image-photo/closeup-businessman-putting-cap-on-pen-665546566?src=-VPvrQILg_jOJqlwsVLIwg-1-17
https://www.shutterstock.com/image-photo/little-girl-sore-throat-touching-her-525254167?src=vbxcGu1TXK0M2fQF-VoxvQ-1-0
https://www.shutterstock.com/image-photo/blue-ballpoint-pens-capped-one-uncapped-520136155

14 – https://commons.wikimedia.org/wiki/File:Fuel_gauge_(Toyota_Corolla).jpg
https://www.pexels.com/photo/car-refill-transportation-gas-9796/

13 – https://commons.wikimedia.org/wiki/File:QWERTY-home-keys-position.svg
https://www.pexels.com/photo/access-close-up-computer-connection-306198/
https://www.videoblocks.com/video/person-typing-on-computer-keyboard-8cwy6od/

12 – https://www.flickr.com/photos/wwarby/4915969081
https://www.pexels.com/photo/carpentry-close-up-nails-sharp-190101/
https://www.shutterstock.com/image-photo/tape-measure-wood-288081992?src=gm1qQ9FsdHgDGk5Dq7F1DQ-1-68

11 – https://commons.wikimedia.org/wiki/File:Plastic_Bottle_Cap.JPG
https://www.shutterstock.com/image-photo/composition-colorful-plastic-bottle-caps-397260502?src=zf3bCBgOVlYBZ0yxecwsRg-1-3
https://www.shutterstock.com/image-photo/plastic-bottle-caps-463347410?src=zf3bCBgOVlYBZ0yxecwsRg-1-9
https://pixabay.com/en/bottle-mineral-water-bottle-of-water-2032980/
https://s-media-cache-ak0.pinimg.com/736x/f6/5e/66/f65e665685a1b575ea69ccdb240d3814--hemp-jewelry-hemp-bracelets.jpg

10 – https://www.flickr.com/photos/chriswaits/6409916819
https://www.pexels.com/photo/aircraft-airplane-backlit-black-and-white-506143/
https://www.videoblocks.com/video/plane-in-the-sky-nvldukh/
https://www.videoblocks.com/video/plane-landing-onto-runway-slowly-1ajwhmn/
https://pixabay.com/en/control-panel-cabin-inside-concorde-647404/
9 – https://commons.wikimedia.org/wiki/File:Blender_fuels_pump_-_East_Lansing,_MI.JPG
https://www.youtube.com/watch?v=Mpzp01EBP-c
https://www.youtube.com/watch?v=QsC5u8_ZwXo

8 – http://imgur.com/2mcDBXB
https://www.videoblocks.com/video/young-african-mechanic-in-uniform-open-hood-and-start-to-check-engine-bfhc7pbneiwwjfgud/
https://pixabay.com/en/screwdriver-tool-craft-screwdrivers-708177/

7 – https://commons.wikimedia.org/wiki/File:Microwave_oven_flashon.jpg
https://www.shutterstock.com/image-photo/woman-using-microwave-oven-home-565940431?src=fHpv-pNuqP98cFb3lERYFQ-1-1
https://www.shutterstock.com/image-photo/man-putting-grilled-chicken-into-microwave-642000964?src=fHpv-pNuqP98cFb3lERYFQ-1-66
https://www.shutterstock.com/image-photo/using-microwave-oven-close-photo-shallow-264710612?src=DcvDTa9WuLY8W0VVP3O2qA-1-5
https://i.ytimg.com/vi/D7PVKZKSGjY/maxresdefault.jpg

6 – https://commons.wikimedia.org/wiki/File:Pelikan_Radiergummi.jpg
https://www.shutterstock.com/image-photo/eraser-on-paper-background-266193452?src=ZZ_pSKqjJopQmRoR_NWz7Q-1-38
https://www.shutterstock.com/image-photo/high-quality-white-paper-texture-background-386340928?src=h2CPqPC57-EYCCrpmipuYw-1-13
https://www.shutterstock.com/image-photo/eraser-red-pencil-isolated-on-white-476699638?src=XGbssvT6ENp_E-FxRE_2gg-1-55
https://www.youtube.com/watch?v=HQzHhqWtFZc


5 – http://i.imgur.com/qAboS1a.jpg
https://www.shutterstock.com/image-photo/omeprazole-prescription-bottle-side-effects-info-523918207?src=KohL2_IvXESVlulblDtwbQ-1-1
https://www.shutterstock.com/image-photo/prescription-bottle-next-pile-pills-horizontal-166019924?src=KohL2_IvXESVlulblDtwbQ-1-16
https://www.shutterstock.com/image-photo/candy-crush-646623106?src=1ktcxtzkmlB3dAwCVJLhVw-1-94

4 – https://www.flickr.com/photos/arizonadot/15035347995
https://www.shutterstock.com/image-photo/dark-road-676044226?src=mYOZeAkkzmlZn3hFqr2X0g-1-8
https://www.videoblocks.com/video/night-driving-in-oakland-iyrznsj/

3 – https://www.popsugar.com/food/How-Measure-Spaghetti-41730124
https://www.pexels.com/photo/food-healthy-vegetables-italian-38233/
https://pixabay.com/en/spaghetti-pasta-noodles-cooking-569067/
https://www.videoblocks.com/video/young-woman-eating-hot-spaghetti-sometimes-blowing-on-it-i1vilml/

2 – https://www.flickr.com/photos/blondinrikard/17156820470/
https://pixabay.com/en/drain-bathroom-sink-sanitary-water-2454608/
https://www.pexels.com/photo/iron-latch-lock-padlock-277803/
https://www.pexels.com/photo/grey-2-tour-lock-478564/

1 – https://commons.wikimedia.org/wiki/File:Apple_iBook_puck_and_brick_chargers_before_MagSafe.jpg
http://www.levendy.com/uploads/5/2/3/4/5234370/s914404448405884706_p8_i5_w834.jpeg
https://www.shutterstock.com/image-photo/laptop-computer-white-charger-brown-leather-431931796?src=p1FBzgl80pKaGwGt1gDDbA-1-14
outr0-
https://www.shutterstock.com/image-photo/tool-belt-construction-tools-521409643?src=NZo25PfZ_SQRYblYVfHMTQ-1-22