刮(gua)刀(dao)有一個把手(shou)和鋒利(li)刀(dao)片(pian),用來迅速刮(gua)掉字跡的工(gong)具(ju).鉗工(gong)用來刮(gua)削金屬的工(gong)具(ju),一般(ban)為三(san)棱型,硬度較高(gao)鉗工(gong)用來刮(gua)掉毛刺(ci)的一種工(gong)具(ju).