Yes
Zinc or pot metal
Pots are made from metal alloys, ceramics or glass.
Zinc or pot metal
Usually "pot metal," or low-grade steel.
A cauldron.
A metal triangle is a percussion instrument consisting of a metal rod bent into a triangle shape, and a pot is a container typically made of ceramic or metal used for cooking or storing food. Combining the two would result in a metal triangle suspended above a pot, with the potential for creating musical sounds by striking the triangle.
The handle made of metal will be hotter, since metal conducts heat very well, and wood conducts heat very poorly.
Aluminum
Usually "pot metal," or low-grade steel.
So that they don't get hot and you can pick them up.
The handles are plastic because people don't want to use pot holders to move pans around/on/off the stove. Metal handles get too hot to hold, plastic ones don't.
Density