http://www.bcsaddlery.comtbarn.imgsweat_scraper_y.jpg
Thanks, I am sure that after looking at this item, the Tool is a Sweat Scraper.
Metals are hard materials so you can for example like fixing a dent by pounding on it.
The lion's share of tools are made with iron that has 1% or so of carbon in it. We call this alloy steel, and there may be traces of other metals in there, or electroplated onto the steel.
Micrometers and calipers are the tools used in machine shops for measuring metal prior, during, and after machining.
Explain what picture handles are and how they can be used.
an hacksaw is used for cutting metal and plastic.