A professional who repairs and adjusts handtools and power tools used in assembling, adjusting, and aligning typewriters. Responsibilities include:

• Examines tools for wear and tear.
• Tests operation of pneumatic tool, such as power socket wrench and power screwdriver, by driving home nuts and screws and by verifying tightness, using handtools, torque wrench, or torque screwdriver.
• Sharpens and squares ends of screwdrivers, using bench grinder.
• Brazes or solders loose handles to tools, using gas torch.
• Repairs or replaces defective jaws of special pliers and wooden tool handles, using mallet and vise.
• Straightens bent tool shanks in vise or by tapping tool shanks with hammer.
• Dismantles, cleans, and oils motors for power tools.
• Discards irreparable tools and requisitions and distributes replacements.
• May repair worn or defective tool parts, using bench lathes, cut-off machine, drill press, and machinists' tools.