Smokeless powder and oil lamp: what they have in common

1. Step 1. Smokeless powder — is used in — Cartridge. Modern cartridges.
2. Step 2. Cartridge — has part — Percussion cap. A primer in the case.
3. Step 3. Percussion cap — evolved from — Flintlock. The percussion lock replaced the flintlock.
4. Step 4. Flintlock — works like — Lighter. The same way of striking a spark.
5. Step 5. Lighter — has part — Wick. Petrol lighters have a wick.
6. Step 6. Wick — is part of — Oil lamp. The wick feeds oil to the flame.

Open Evothings