Vacuum pombi inoreva mudziyo kana michina ANOSHANDISA zvemaziso, mumuviri, kemikari kana physicochemical nzira dzokubvisa mhepo kubva pumped mudziyo kuwana Vacuum. Kazhinji, munhu Vacuum pombi chinhu zano anovandudza, zvinowanisa uye anoramba ane Vacuum ari namahwindo nzvimbo nenzira dzakasiyana-siyana. Wi ...
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