Information credits
http://qz.com
http://www.mandatory.com
http://www.boston.com
http://www.businessinsider.com.au
http://www.courant.com
http://work.chron.com
http://www.dailymail.co.uk

Image credits:
• Windowcleaning1 – http://www.windowcleaningaus.com/wp-content/uploads/2013/12/Sept4_WindowCleaner.jpg
• Windowcleaning2 – http://images.dailydawdle.com/husky-offers-free-window-cleaning1.jpg
• Windowcleaning3 – http://rattlingon.typepad.com/.a/6a0111685b0529970c017d4328f5b2970c-pi
• Windowcleaning4 – http://m5.i.pbase.com/o6/99/380799/1/47772705.JbD1HCJj.Windowcleaners.jpg
• Windowspidey1 – https://metronewsca.files.wordpress.com/2013/12/10-10-halfront-spiderman-washer-jh.jpg
• Windowspidey2 – http://i.kinja-img.com/gawker-media/image/upload/s--nkTfSAuZ--/18b8jqmlixwndpng.png
• Animalhandler1 – http://4.bp.blogspot.com/-HIHRtMnwzTc/T3_UcbbQqzI/AAAAAAAAASI/JFeMl9Ijpwg/s1600/Funny+Animal+Army_7.jpg
• Animalhandler2 – http://pix.avaxnews.com/avaxnews/9f/1f/00001f9f_medium.jpeg
• Animalhandler3 – http://d3qvyul2tp4j8.cloudfront.net/i/YAezLmjKdn.jpg
• Animalhandler4 – http://i.dailymail.co.uk/i/pix/2010/06/04/article-0-09E223A6000005DC-859_634x566.jpg
• Animalhandler5 – http://cdn.abclocal.go.com/content/kabc/images/cms/355023_1280x720.jpg
• Bomb Squad1 – http://news.bbc.co.uk/media/images/47202000/jpg/_47202955_hurt_locker.jpg
• Bomb Squad 2 – http://www.shreveportla.gov/PhotoGallery/2/Bomb%20Squad2.JPG
• Bomb Squad 3 – https://s-media-cache-ak0.pinimg.com/736x/82/0f/a7/820fa75baaf52a6dc680c00eb6c41d87.jpg
• Alaskacrab1 – http://www.alaska-in-pictures.com/data/media/17/work-on-crab-boat_5485.jpg
• Alaskacrab2 – http://www.saveur.com/sites/saveur.com/files/feature-fishing-for-alaskan-crab-man-with-crab-1200x800.jpg
• Alaskacrab3 – http://www.alaska-in-pictures.com/data/media/5/bering-sea-crab-fishing_3545.jpg
• Truckdriving1 – https://connections.jbhunt.com/images/jbhphotos/images/JBH%20Truck-Driver_jpg.jpg
• Truckdriving2 – http://www.sirenweather.com/images/truck.jpg
• Truckdriving3 – http://sprinterlife.com/wp-content/uploads/2013/05/wwwgravityboliviacom37.jpg
• Truckdriving4 – http://www.bdoutdoors.com/forums/attachments/logging-truck-jpg.218837/
• Truckdriving5 – http://1.bp.blogspot.com/-gbkw9W4byK4/UT7l0YaOpcI/AAAAAAAAGGg/gWeNB13Koro/s1600/a001.jpg
• Truckdriving6 – http://i100.independent.co.uk/image/15360-l39u48.jpg
• Rodeoclown1 – http://ww2.hdnux.com/photos/20/14/22/4244613/5/rawImage.jpg
• Rodeoclown2 – http://lifeonthehkbar.files.wordpress.com/2015/01/wpid-wp-1421038546981.jpeg
• Rodeoclown3 – http://ethosmagonline.com/wp-content/uploads/2010/09/8_clownBH.jpg
• Rodeoclown4 – http://backflipjohnny.com/sitebuilder/images/cowpatty3-464x304.png
• Rodeoclown5 – http://0.static.wix.com/media/d99067_0eb0011183fb11d1dbeabb81b42b99eb.jpg_1024
• Skydiving1 – http://cdn1.images.videobash.com/photos/000/102/299/102299.jpg
• Skydiving2 – http://sportsjokecafe.com/images_up/1292331146-normal.jpg
• Skydiving3 – https://www.google.com.au/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=https%3A%2F%2Fthegiftcollective.com%2Ftest-skydiving&ei=2Zq8VOqpOOTZmAWMvIGYBw&bvm=bv.83829542,d.dGY&psig=AFQjCNFTBr9lClgfwmPIp3eJRoLf4hm57A&ust=1421732912139258
• Skydiving4 – http://houston.skydivespaceland.com/wp-content/flagallery/celebrity-skydivers/andrew-bynum-skydive.jpg
• Kinder1 – http://educationcareerarticles.com/wp-content/uploads/2013/01/Kindergarten-Teacher1.jpg
• Kinder2 – http://i.huffpost.com/gen/1407389/thumbs/o-KINDERGARTEN-TEACHER-facebook.jpg
• Kinder3 – http://4.bp.blogspot.com/-gvNUmsvA0I4/UYhff-YQRxI/AAAAAAAAA3I/YQwKZHywLmY/s1600/IMG_4669.JPG
• Kinder4 – http://www.asset1.net/tv/pictures/movie/kindergarten-cop-1990/Kindergarten-Cop-1-DI.jpg
• Stormchase1 – http://www.clouds365.com/blog/wp-content/uploads/2012/06/8-4-26-12-kansas-tempest-van-lightning.jpg
• Stormchase2 – http://cdn.collider.com/wp-content/uploads/into-the-storm-tornado1.jpg
• Stormchase3 – http://www.rellimzone.com/images/movies/twister-1996-movie-08.png
• Stormchase4 – http://geol105naturalhazards.voices.wooster.edu/files/2012/04/image.jpg
• Corrections1 – http://i1.mirror.co.uk/incoming/article3181033.ece/alternates/s2197/prison-guard.jpg
• Corrections2 – http://img2.wikia.nocookie.net/__cb20130320124054/lego/images/f/fb/Old_Prison_Guard.png
• Corrections3 – http://cdn2.cagepotato.com/wp-content/uploads/2012/02/prison_fight_fo.jpeg
• Corrections4 – http://static.businessinsider.com/image/51800ae269beddd63300000b/image.jpg
• Ostrich1 – http://files2.coloribus.com/files/adsarchive/part_967/9678755/file/horse-racing-ostrich-small-75252.jpg
• Ostrich2 – http://th08.deviantart.net/fs70/PRE/i/2012/212/b/6/ostrich_races__by_aglover0007-d59csfh.jpg
• Ostrich3 – http://cellar.org/2004/ostrichracer.jpg
• Ostrich4 – https://wolffbrandt.files.wordpress.com/2012/06/aw12062301.jpg
• Miner1 – http://media.web.britannica.com/eb-media/74/62174-050-34E8E1A7.jpg
• Miner2 – http://kdlawfactoryinjuries.com/wp-content/uploads/2013/07/miners.jpg
• Miner3 – http://i.dawn.com/primary/2014/07/53d8f82762317.jpg?r=187083512
• Mining4 – http://3.bp.blogspot.com/-xEmnm0XcztI/TpYso8nSRWI/AAAAAAAAAEE/g4SpXb9JyiU/s1600/IMG_6786.JPG
• Security1 – http://cdn.abclocal.go.com/content/wls/images/cms/371197_1280x720.jpg
• Security2 – http://www.aceshowbiz.com/images/news/harry-styles-escorted-by-police-at-paris-airport.jpg
• Security3 – http://media.columbian.com/img/croppedphotos/2013/08/03/6027191-395716_Ridgefield_S.jpg
• Security 4 – https://alexirob.files.wordpress.com/2010/11/100_1735.jpg
• Comedian1 – http://flavorwire.files.wordpress.com/2014/04/tracy.jpg
• Comedian2 – http://comedyblogedy.com/wp-content/uploads/2011/07/466268_10150893727522589_578182588_12908741_1159837890_o.jpg
• Comedian3 – http://cdn01.dailycaller.com/wp-content/uploads/2014/11/52251214-e1414982609572.jpg
• Comedian4 – http://r.fod4.com/c=sq/s=w1000,pd1/o=80/http://p.fod4.com/p/channels/legacy/profile/1104395/poster_2.jpg
• Comedian5 – http://i.huffpost.com/gen/1632145/thumbs/o-JERRY-SEINFELD-TONIGHT-SHOW-facebook.jpg
• Pest1 – http://www.mountainviewpestcontrol.com/images/100_0250.jpg
• Pest2 – http://el-anwar.com/wp-content/uploads/101.jpg
• Pest3 – http://media.columbian.com/img/croppedphotos/2013/05/19/818485_Pest_Control_097.jpg
• Pest4 – http://www.ocsinternational.com/Images/IMG_8308.jpg