Handbrakeisthecarstopismustbepulleddown,clutchistostartshiftinggearslowlyforwardandbackwardoperation,throttlecooperationisveryimportanttocontrolitproperly,brakeisanimportantpartofthevehiclebrake,gearforkliftonlyfastandslowbeforeandafterthedistinction,liftingleverandtiltingleverisforkgoodsmustbeoperatedwiththeuseofcooperation;