Hugo Orlando Díaz and Segundo Armando Piñeros cerón are listed as an industrial mechanic and teacher respectively. The document then lists and defines parts of a lathe machine including the speed change, flange of the main shaft, counterpoin, wheel, point, bed, mando cross, slide, foreleg, and hind foot. It also discusses functions of the lathe such as using the emergency stop to stop the machine, the bed as the base, turning the machine to start work, and the brake counterpoint to stop transverse movement.