Kevlar and cannon: what they have in common

1. Step 1. Kevlar — is material for — Body armour. Kevlar.
2. Step 2. Body armour — works like — Tank. One idea of protection — armour — at different scales.
3. Step 3. Tank — has part — Tank gun. A gun in a rotating turret.
4. Step 4. Tank gun — is a kind of — Cannon. A gun.

Open Evothings