Makina obowola ndi mphero a PCB ndi zida zofunika kwambiri popanga matabwa osindikizidwa (PCBs), makamaka popanga ang'onoang'ono ndi apakatikati.Kuti zitsimikizire kulondola, kukhazikika, komanso kulimba, makinawa amadalira zida zapamwamba, kuphatikiza kapangidwe ka ...
Werengani zambiri