steel cogwheels in part of planetary gearset inside screw gun on gold brown background

annular assemble background blue brown case closeup cog cogged cogwheel component connect contact cooperation copy cordless detail device disassembled drill drilling electric engineering equipment external gear gearbox gearset gearwheel golden gun industrial industry inside interlocked interlocking internal involute machine machinebuilding machinery macro maintenance mechanical mechanism meshing metal motion nobody open overhaul part planet planetary power precision repair ring rotation screw screwdriver service space steel technical technology teeth tool train transmission wheel wheels work yellow