Disposable nappy and syringe: what they have in common

1. Step 1. Disposable nappy — is made of — Polyethylene. Film.
2. Step 2. Polyethylene — is material for — Cling film. Polyethylene.
3. Step 3. Cling film — is made of — Polyvinyl chloride (PVC). Cling film was made of PVC; now it is more often polyethylene.
4. Step 4. Polyvinyl chloride (PVC) — is material for — Catheter. Plastic catheters.
5. Step 5. Catheter — is part of — IV drip. A catheter.
6. Step 6. IV drip — has part — Syringe. A needle.

Open Evothings