18 things cut in half

Every day we use various useful things without thinking about how well they are built inside. In this issue you will find 18 photographs that clearly show that some things are more complicated than they seem at first glance.

1. Container ship (tumblr.com)

2. Hockey helmet and American football helmet (reddit.com)

3. Mechanical calculator (4finite.com)

4. Various types of cables and wires (meta.kz)

5. Aloe Leaf (passiontab.com)

6. Passenger Airplane (melbourneer.com)

7. Hornet's Nest (oddstuffmagazine.com)

8. CT machine (neodim.hu)

9. Bowling ball (vetallt.se)

10. Digital camera and lens (clickblog.it)

11. Different types of cartridges (imgur.com)

12. Motorcycle Helmet (whitedogbikes.com)

13. Rotary engine (newstreet.it)

14. Car (flickr.com)

15. Fireworks (nguyentandung.org)

16. Sneakers (pinterest.com)

17. Baseball (pinterest.com)

18. Toothpaste (pinterest.com)