Large manufacturers who use vast tonnages of steel products, such as the automobile makers, switch-gear producers, and other sheet metal fabricators, may order their steel to their own ... metal parts ...
Large manufacturers who use vast tonnages of steel products such as the automobile manufacturers, appliance industry, switchgear producers, and other sheet-metal fabricators may order their steel to ...
A zig-zag line divides them. In most periodic tables hydrogen (H) is shown separately but is still classified as a non-metal. Hydrogen is placed on its own as it is quite a unique element.