Large selection of screwdriver to fit the screws that must be unlocked •. Check the screwdriver that is in good condition or not •. How to use a screwdriver to tighten the right hand while the left hand grip screwdriver handle screwdriver shaft into the shoulder screws fit. Left hand holding a screwdriver blade screwdriver shaft with grooved screw time •. Both tightening and loosening, press down the screwdriver to tighten the screws with a screwdriver to ensure that the groove of the screw at a time so as not to screw broken •. Do not use a screwdriver to pry sheep, picking pieces of all kinds. Instead, use a screwdriver or extraction
การแปล กรุณารอสักครู่..