Screwdriver, screwdriver 　　luósīdāo, luósī qǐzi 　　[screwdriver] A tool used to turn a screw to force it into place. It usually has a thin wedge-shaped head that can be inserted into the slot or notch of the screw head—the scientific name "screwdriver". There are mainly two types: one word (negative sign) and cross (positive sign). Hexagonal screwdrivers are also common, including inner and outer hexagons.　　 Screwdrivers are divided into traditional screwdrivers (English: Screwdriver) and ratchet screwdrivers (Electric screwdrivers) (English: Ratchet screwdriver). A traditional screwdriver consists of a plastic handle and an iron rod that can lock the screw, while a ratchet screwdriver consists of a plastic handle and a ratchet mechanism. The latter allows the iron rod of the lock screw to rotate clockwise or counterclockwise. The idling function can achieve the efficiency of promoting the lock screw without turning the power driver (hand) back to the original position one by one. The util

Screwdriver, screwdriver 　　luósīdāo, luósī qǐzi 　　[screwdriver] A tool used to turn a screw to force it into place. It usually has a thin wedge-shaped head that can be inserted into the slot or notch of the screw head—the scientific name "screwdriver". There are mainly two types: one word (negative sign) and cross (positive sign). Hexagonal screwdrivers are also common, including inner and outer hexagons.　　 Screwdrivers are divided into traditional screwdrivers (English: Screwdriver) and ratchet screwdrivers (Electric screwdrivers) (English: Ratchet screwdriver). A traditional screwdriver consists of a plastic handle and an iron rod that can lock the screw, while a ratchet screwdriver consists of a plastic handle and a ratchet mechanism. The latter allows the iron rod of the lock screw to rotate clockwise or counterclockwise. The idling function can achieve the efficiency of promoting the lock screw without turning the power driver (hand) back to the original position one by one.