Chombo chitsva cheanti-denda, mask filtration performance tester chaburitswa!
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...