| Zofotokozera | |
| Malingaliro | Mtengo |
| Wopanga: | Everlight |
| Gulu lazinthu: | Phototransistors |
| RoHS: | Tsatanetsatane |
| Zogulitsa: | Phototransistors |
| Kuyika: | Reel |
| Mtundu: | Everlight |
| Zosamva Chinyezi: | Inde |
| Mtundu wa malonda: | Phototransistors |
| Kuchuluka Kwa Paketi Ya Factory: | 3000 |
| Gulu laling'ono: | Ma Optical Detectors ndi Sensor |