Ndizopambana kwambiri kuti zinthu zopanda asbestos fiber zidutsemayeso amotoya API Standard 6FB, Edition Fourth, 2019 pa tsiku la March 5, 2021. Mayesowa anachitidwa ndi Yarmouth Research and Technology, LLC, yomwe ndi labotale yovomerezeka ndi akatswiri oyesa moto padziko lonse lapansi.
Themayeso amoto report likuwonetsa kuti athumankhwala osakhala asbestos QF3712kumatsimikizira kwathunthu kutayikira pansi pa zovomerezeka pansi pa kutentha ndi kuzizira pansi.Idzakulitsa kuchuluka kwa kugwiritsidwa ntchito makamaka pa kusindikiza kwa sitimayo.
Mongamayeso amotowadutsa, amatha kugwiritsidwa ntchito pomanga zombo, mavavu apanyanja ndi mafakitale a injini zam'madzi zokhala ndi zida zomata gasket, zomwe zimagwiranso ntchito kumafuta osiyanasiyana, gasi, madzi ndi media zina.
Ndi kutentha kwabwino, kukana kukakamiza komanso kulimba kwambiri, kulimba mtima kwambiri komanso kukana kukwawa, themayeso amotondi umboni winanso wa khalidwe labwino la QF3712 popanga ma mesh achitsulo, mbale zachitsulo zowonjezera mbale zosindikizira zopanda asbestosi.
Nthawi zonse timayang'ana kwambiri kuwongolera kwaukadaulo kwazinthu zabwinoko komanso zangwiro, kugwiritsa ntchito talente yochulukirapo komanso ndalama pakufufuza ndi chitukuko chaka chilichonse.Tadzipereka kukhala akatswiri osindikiza osindikiza kuyambira 1991.
Nthawi yotumiza: Mar-31-2021