Hands holding a grinder moving it up and down cleaning the left side of the wheel hub from the rust, automotive shop, Thailand

wheel hub bolts rotor disc rust rusty pads studs bushing calipher axle shaft brake drum differential grinding grinder lower control sway bar handle grinding wheel switch button spindle lock bristles wire brush derusting steering knuckle outer bearing inner bearing center bore tie rod rod arm knuckle arm electric machine repair shop yellow red plastic engineering cleaning brushing splinters dust mask brown dirty protective gear safety wheel well silver