Ku China, ukadaulo woyeretsa m'chipinda choyera unayamba m'ma 1960.Panthawiyo, ukadaulo wa cleanroom udabadwa kuti ukwaniritse zofunikira zankhondo zapamwamba kwambiri, zida zolondola, zida zowulutsira ndege ndi mafakitale apakompyuta okhala ndi miniaturization, chiyero chapamwamba, mawonekedwe apamwamba, komanso kudalirika kwambiri ...
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