What shovel is made of

A tool for digging.

Shovel blade — has part. A steel plate that cuts into the ground.
Handle — has part. A handle.
Lever — uses. The handle is a lever.
Wedge — uses. The blade enters the ground like a wedge.
Wood — is made of. A shovel was wooden, later with a metal edge.
Steel — is made of. A steel blade.