Gukonjesha Vacuum bikoreshwa cyane mu nganda nshya y'ibiribwa muri Amerika, Uburayi n'Ubushinwa.Kubera ko amazi azunguruka kumuvuduko muke kandi agakoresha ingufu, irashobora kugabanya neza ubushyuhe bwumusaruro mushya uva mubushyuhe bwumurima wa 28 ° C kugeza kuri 2 ° C.Allcold spec ...
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