Column and zip: what they have in common

1. Step 1. Column — is made of — Brick. Stone columns.
2. Step 2. Brick — uses — Trowel. Bricklaying with a trowel.
3. Step 3. Trowel — works like — Shovel. A trowel is a mason's small flat shovel.
4. Step 4. Shovel — uses — Wedge. The blade enters the ground like a wedge.
5. Step 5. Wedge — is part of — Zip. The slider works like a wedge, bringing the teeth together and pushing them apart.

Open Evothings