Soda ash and chisel: what they have in common

1. Step 1. Soda ash — is material for — Soap. An alkali.
2. Step 2. Soap — uses — Lime. The alkali for soapmaking was obtained from ash and lime.
3. Step 3. Lime — is material for — Mortar. Ancient mortars were lime-based.
4. Step 4. Mortar — is used in — Trowel. It applies mortar.
5. Step 5. Trowel — has part — Handle. A handle on a curved neck.
6. Step 6. Handle — is part of — Chisel. A wooden or plastic handle.

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