A professional who assists maintenance mechanic in repairing and maintaining machinery and mechanical equipment. Responsibilities include:

• Carries tools and equipment to and from storage and working areas.
• Holds scaffolding members in place or tightens bolts to erect working platforms about machines.
• Pulls handles to raise materials and tools to working levels.
• Loosens bolts to dismantle machinery.
• Drills and breaks up concrete, using jackhammer.
• Digs trenches for machinery foundations.
• Mixes and pours concrete for foundations.
• Cleans machines with sandpaper, solvent, and wiping rags to prepare surfaces for painting.
• Oils and greases machines.
• Performs other duties as described under helper master title.