Iconoscope and knife: what they have in common

1. Step 1. Iconoscope — is made of — Silver. The target is a mosaic of silver grains with caesium.
2. Step 2. Silver — is material for — Syringe. Early needles were silver.
3. Step 3. Syringe — has part — Needle. A hollow needle.
4. Step 4. Needle — is part of — Overlocker. Needles sew the stitch.
5. Step 5. Overlocker — has part — Knife. A knife for trimming the edge.

Open Evothings