Photometer bench scale and chisel: what they have in common

1. Step 1. Photometer bench scale — is part of — Photometer. The distance to the sources.
2. Step 2. Photometer — is made of — Paper. A photometer compares the illumination of paper screens.
3. Step 3. Paper — is material for — Sandpaper. The backing.
4. Step 4. Sandpaper — works like — File. Removing material with small cutting edges.
5. Step 5. File — has part — Handle. A handle.
6. Step 6. Handle — is part of — Chisel. A wooden or plastic handle.

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