sumo pfupi
Gore rega rega mamirioni ezvigadzirwa zvekutengesa nemaindasitiri zvakadhindwa pane iyo NSF logo, nekufamba kwemakore neindasitiri uye vatengi vanogadzira unit trust NSF Chinangwa chekusimudzira hutano hweveruzhinji pamwe nekutsvaga uye sevhisi sevhisi yekutonga kwezvakatipoteredza mukuronga nekuita seyakavimbika. sangano rakarerekera, NSF yehurumende, indasitiri nevatengi kuti vape masevhisi ekugadzirisa dambudziko rine chekuita nehutano hweveruzhinji uye nharaunda yeNSF tekinoroji zviwanikwa zvinosanganisira bvunzo michina uye kuongororwa kwemakemikari uye microbiological laboratory NSF nyanzvi dzinosanganisira veruzhinji kuchengetedza chikafu maEngineers, chemist, toxicologists, masayendisiti ehutano hweveruzhinji uye masayendisiti emakombuta ane ruzivo rwakakura mumhando yemvura uye nharaunda inosimbiswa neNational standards Institute (ANSI) uye Canadian zviyero kanzuru (SCC) semitemo yenyika.