- Makina Oyesera Osefera Mask
- Sampuli ya mabakiteriya a planktonic
- Makina Oyesera a Mask Air Resistance
- Biological Air Sampler
- Jenereta ya Aerosol Yamchere
- Airflow Pattern Visualizer
- Kn95 Air Resistance Test Machine
- Medical Mask Viral Test Machine
- Kn95 Exhalation Resistance Test
- Makina Oyesera a Face Mask Selter