Mu Julayi 2020, chida cha nyenyezi, ZR-1006 Mask Particulate Filtration Efficiency and Air flow Resistance Tester Tester Product: ZR-1006 mask particle kusefera bwino komanso kukana kwa mpweya...
Kuti muzindikire kutuluka kwa HEPA Fyuluta, imadziwika bwino kugwiritsa ntchito aerosol photometer poyesa. Lero, Titenga ZR-6012 Aerosol Photometer monga chitsanzo kuti tidziwitse mfundo yodziwira ...