Oil, It is applied to moving parts to reduce friction.applied to moving parts to reduce friction and prevent wear., Grease, It is used to lubricate bearings and gears.used to lubricate bearings, gears, and other mechanical components., Solder, It is melted to join electrical components., Flux, It is applied before soldering to improve electrical joints., Paint, It is applied to protect metal surfaces from corrosion., Coolant, It is circulated through machines to control temperature., Solvent, It is used to remove grease and dirt from equipment., Tape, It is wrapped around wires for insulation., Glue, It is used to bond different materials together., Varnish, It is applied to protect electrical windings.

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