YL7120 tsaye waje ja gado tare da ja wuka a matsayin kayan aiki kayan aiki na aiki a cikin rami, jirgin sama da kuma siffar farfajiyar. Janya iya samun mafi girma size daidaito da ƙananan surface roughness, high yawan aiki, dacewa da batches da yawan samarwa. Yawancin gadaje masu jawo suna jawo wuka ne kawai a matsayin babban motsi na jawo kai tsaye, ba tare da motsi ba. A 1898, J.N. Lapant na Amurka ya ƙirƙiri gado na farko na inji na inji. A 1930s, a Jamus aka yi biyu man fetur madaidaiciya ciki ja gado, a Amurka da aka yi aiki da silinda jiki da sauran manyan jirgin sama gefen ja gado. An yi amfani da shi a farkon shekarun 1950.

YL7120Main fasaha sigogi tsaye ja gado (samfurin)