What does the term “load” means with regard to metals?

What does the term "load" means with regard to metals?

thien:

There are at least three different uses of the term “load” with regard to metals.

1. The “load” is the force applied to a metal structure.

2. Load can mean to add a material when smelting or refining a metal. Example – to add a oad of borax to help in the reducing process of iron when making steel

3. Load can also be use in a slightly different applications. Many plastics are “loaded” with fine metal particles to achieve certain properties.

Could you use the term “load” in a sentence where you have a question about its usage.

Niel