Compact cassette and chisel: what they have in common

1. Step 1. Compact cassette — has part — Magnetic tape. Tape inside a cassette.
2. Step 2. Magnetic tape — is made of — Iron. The magnetic layer is iron oxide.
3. Step 3. Iron — is material for — Hand plane. The blade is iron.
4. Step 4. Hand plane — has part — Chisel. A plane’s blade is a chisel held in a stock.

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