刮(gua)(gua)刀有一個把手和鋒(feng)利刀片,用(yong)來(lai)(lai)迅速刮(gua)(gua)掉字跡的(de)工(gong)(gong)具.鉗工(gong)(gong)用(yong)來(lai)(lai)刮(gua)(gua)削金(jin)屬(shu)的(de)工(gong)(gong)具,一般為三棱型,硬度較高鉗工(gong)(gong)用(yong)來(lai)(lai)刮(gua)(gua)掉毛刺的(de)一種工(gong)(gong)具.