Kuti uone kuvuza kweHEPA Sefa, inozivikanwa kwazvo kushandisa aerosol photometer yekuyedza. Nhasi, Tichatora ZR-6012 Aerosol Photometer semuenzaniso kuunza musimboti wekuona we...
ZR-1006 Model A (Munyu)/Modhi B(Mafuta) mask inobata kusefa kunyatsoita uye airflow resistance tester inoshandiswa pakutariswa kwemhando yepamusoro uye nzvimbo dzekuongorora dzezvigadzirwa zvekurapa, nzvimbo dze...