- Air Quality Detector
- Kuyesa kwa China DOP/Pao kwa Zosefera
- Medical Mask Resistance Testerer
- Kauntala yam'manja
- Chida Choyesera Cholowa Chonyowetsa Chonyowa cha Microbial
- Mask Fit
- Stack Gasi Analyzer
- Sampler yothandiza ya Microbial Air
- Chipangizo Choyesera Chosefera Mask
- Mayeso a nduna zachitetezo cha biosafety