Metalworking machine tools for cutting, punching, cropping, bending, rolling and shaping metals, namely, mechanical presses, bending machines, pneumatic controls for machines, engines and motors, plasma etching machines, machines for manufacturing metal strips, namely, continuous metal casting machines, metal sawing machines, metal cutting machines, metal welding machines, namely, electric arc welding machines, gas welding machines, laser welding machines, lathes being machine tools, machine ...