machines and power-operated electric machine tools for stamping treatment of materials, namely, metal and aluminum, and for manufacturing semi-finished products in the nature of ingots, billets, slabs, blooms, busbars and t-bars; die-stamping machines; branding machines in the nature of automatic stamping machines; machines for labeling goods, namely, pneumatic operated labeling machine; machines for labeling aluminum ingots, namely, automatic labeling machines for stamping text, codes and gr...