Drilling tapping, sharpening of drills, operating band, power saw, operation and maintenance on co2 cold jet machine, filling on aluminum and steel parts, fitment of segments and sidewalls, assemble and dissemble of machinery, vacu blast, maintanance, modification and repairs on moulds, overhead 5 ton crane and 15 ton forklift opera ration, fault finding, measurement of moulds, reading and using of all measuring equipment, leveling of moulds, grinding and cutting, use of general hand tools