Military drone and tunnelling shield: what they have in common

1. Step 1. Military drone — works like — Quadcopter (drone). The same principles of uncrewed flight in civilian and military versions.
2. Step 2. Quadcopter (drone) — has part — Lithium-ion battery. A lithium-polymer battery.
3. Step 3. Lithium-ion battery — is part of — Warehouse robot. A battery.
4. Step 4. Warehouse robot — evolved from — Forklift. Automating warehouses.
5. Step 5. Forklift — has part — Hydraulic cylinder. Lifting the forks.
6. Step 6. Hydraulic cylinder — is used in — Tunnelling shield. The shield was pushed forward by jacks.

Open Evothings