Toshewar ruwa matsala ce ta gama gari a rufaffiyar madauki Laser chiller unit wanda ke sanyaya firintar Laser na 3D, amma ta bin shawarwarin da ke ƙasa, masu amfani za su iya guje masa cikin sauƙi.
2.Canza ruwa akai-akai. Don ingantaccen yanayi kamar dakunan gwaje-gwaje, yana da kyau a canza ruwa kowace rabin shekara; Don yanayin aiki na yau da kullun, ana ba da shawarar kowane watanni 3; Don ƙarancin yanayin aiki, kamar wurin aikin katako, ana ba da shawarar canza ruwa kowane wata.
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