Kufotokozera Kwachidule:

1.PD 18W kulipira mwachangu, kuthamanga kwambiri

2.PCBA chombo chanzeru, kulipira kokhazikika, kotetezeka komanso kolimba

3.tumizani kuzindikirika kwanzeru kwa IC, komwe kumapezeka pazinthu zonse zanzeru zam'manja

4.PC lawi zosagwira chipolopolo, ndithudi otetezeka

5.kupatukana dzina patent, yekha chitsanzo chabwino