- Zoyezera Zosefera za Mask
- Microbial Air Sampler
- Polution source sampling
- Zida Zoyesa Maski Kumaso
- Kukaniza kwa Microbial Penetration Tester (Yowuma)
- 2i Digital Aerosol Photometer
- Medical Mask Filtering Efficiency Tester
- Medical Mask Bfe Test Chipangizo
- kunyamula chilengedwe analyzer
- Microbial Aerosol Sampler