Τανκς - army tank   https://www.army-technology.com/projects/ariete/?cf-view

Υποβρύχιο-Submarine https://www.navalnews.com/naval-news/2021/09/radical-new-stealth-submarine-type-212cd-will-be-much-larger/

Αεροπλάνο (airbus-aircaft) Boeing 737 https://www.dimensions.com/element/boeing-737-800

Ανεμογεννήτρια http://energy-industry.gr/%CE%B1%CE%B9%CE%BF%CE%BB%CE%B9%CE%BA%CF%8C-%CF%80%CE%AC%CF%81%CE%BA%CE%BF-%CF%83%CF%84%CE%AD%CF%81%CE%BD%CE%B9%CE%B6%CE%B1-%CE%BA%CE%B1%CE%B8%CE%B1%CF%81%CE%AE-%CE%B7%CE%BB%CE%B5%CE%BA%CF%84%CF%81/

Μαγνητικός τομογράφος- MRI  https://aushfg-prod-com-au.s3.amazonaws.com/download/RLS_MRIR_1_0.pdf

             και                               https://aushfg-prod-com-au.s3.amazonaws.com/download/RLS_MRIR_1_0.pdf

Διαστημικός πύραυλος   https://time.graphics/event/7392813

                                                http://www.astronautix.com/s/saturnv.html  

Τρένο -train https://www.researchgate.net/figure/Trains-dimension-and-shape-for-freight-a-high-speed-b-and-conventional-passenger_fig4_372788172

Τρένο με ατμομηχανή- steam train https://www.the-blueprints.com/blueprints/trains/trains-e-g/32923/view/finnish_steam_locomotive_tk3/

Ελικόπτερο https://www.dimensions.com/element/eurocopter-ec135

Διαστημικο λεωφορείο -space shuttle   https://www.nasa.gov/history/SP-4225/diagrams/shuttle/shuttle-diagram-4.htm

ducati 999 - μηχανή https://www.ducati.ms/threads/ducati-749-size.11946/#lg=thread-11946&slide=0

Satellite-δορυφόρος  https://www.shutterstock.com/image-vector/space-station-communications-satellite-wireframe-low-1767528785

Section of the Boeing 737 fuselage cabin- τομή ατράκτου αεροσκάφους  https://www.researchgate.net/figure/Section-of-the-Boeing-737-fuselage-cabin-with-the-main-dimensions-20_fig2_309327917

Γερανός- construction crane -https://www.tarzan-group.com/d/images/crane/used-tower-cranes-for-sale-5.jpg