Ammonia and needle: what they have in common

1. Step 1. Ammonia — is made of — Hydrogen. Hydrogen.
2. Step 2. Hydrogen — is material for — Bubble chamber. The working medium is superheated liquid hydrogen.
3. Step 3. Bubble chamber — has part — Piston. It releases pressure.
4. Step 4. Piston — is part of — Syringe. A plunger.
5. Step 5. Syringe — has part — Needle. A hollow needle.

Open Evothings