Nails are used for holding many objects together and have long and slender bodies with flattened heads. The flattened head of the nail provides pressure that holds the pieces together as it is driven through them.

A wire is a metal strand that is flexible. Drawing metal through a hole in a die or draw plate is a common way to make wire. Wire gauges are measured in gauge numbers and are available in a variety of sizes.

A metal cable with sharp projections spaced at regular intervals makes up barbed wire fencing. Twisting two wires together adds strength and allows the cable to flex and contract without breaking as temperature changes.

Steel is a versatile alloy with a long list of traditional uses. Its products are utilized in the construction, automobile, and aircraft sectors, as well as heavy industrial equipment, transportation infrastructure, home appliances, and weapons, among oth...