(Isishwankathelo senkcazo)Amanyathelo okufakela kunye nokugcinwa kweevavala zokhuseleko:
Amanyathelo okufakela kunye nokugcinwa kweevavala zokhuseleko:
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. Ukuba kufakwe umbhobho womphunga, ububanzi bayo bangaphakathi kufuneka bube nkulu kune-phandle yevali yokhuseleko. Izibuko lokukhupha le valve yokhuseleko kufuneka likhuselwe kwi-freazing, enokutsha okanye inetyhefu okanye iyingozi kakhulu kwisitya. Isikhongozeli esiphakathi kunye nombhobho we-grain kufuneka sikhokelele ngqo kwindawo ekhuselekileyo yangaphandle okanye ube nezixhobo zokulahlwa ngokufanelekileyo. Umbhobho we-grain owenzeyo - I-valve esebenzayo yokusebenza ayivumelekanga ukuba ixhotywe nayiphi na ivalve.
IXESHA LOKUQALA: 2020 - I-11 - 10 00 ::00:00