Chosinthira ma frequency cha VFD9200D ndi chosinthira ma frequency chomwe chingagwiritsidwe ntchito poyendetsa ndikuwongolera ma mota osasinthasintha mosavuta. Chili ndi kukula kochepa, ntchito zamphamvu, magwiridwe antchito okhazikika, ndipo chimakwaniritsa miyezo ndi ziphaso zapadziko lonse lapansi. Chingagwiritsidwe ntchito m'mafakitale monga nsalu, kupanga mapepala, kujambula waya, zida zamakina, kulongedza, chakudya, mafani, mapampu amadzi, ndi zida zosiyanasiyana zopangira zokha.
• Kapangidwe kakang'ono
• Kusunga mphamvu mwanzeru
• Kapangidwe ka nthawi yayitali