GUDUMA
Hammer galibi kayan aiki ne na hannu, wanda ya ƙunshi "kai" mai nauyi wanda aka ɗora shi a cikin dogon maɓallin da aka girgiza don isar da tasiri ga ƙaramin yanki na wani abu. Wannan na iya zama, alal misali, don fitar da ƙusa cikin itace, don tsara ƙarfe (kamar yadda yake tare da forge), ko don murkushe dutse.[1] [2]Ana amfani da Hammers don motsa jiki, tsarawa, fashewa da aikace-aikacen da ba masu lalacewa ba. Hanyar gargajiya ta haɗa da zane-zane, aikin ƙarfe, yaƙi, da kuma kiɗa mai ƙarfi ==Manazarta