Kumverera kofewa ndi mwakachetechete kumapangitsa nyumbayo kukhala yofunda komanso yabwino. Zopanga njanji zoyengedwa ndi ukadaulo wopanga masitima apamtunda ndizopangidwa mwaluso, zofananira ndi silinda yolimba ya hydraulic cylinder, ndipo zakondedwa ndi anthu akunyumba ochulukirachulukira. Zimadalira teknoloji yatsopano kuti igwirizane ndi liwiro lotseka la kabati. Chogulitsacho chimagwiritsa ntchito ukadaulo wa hydraulic buffer kuti chojambuliracho chitseke pang'onopang'ono pakakhala mtunda wina kuchokera pamalire a kabatiyo, kuchepetsa mphamvu yamagetsi ndikupanga mawonekedwe omasuka potseka. Imakhala ndi njanji yotayira yotsetsereka. Pangani mipandoyo kukhala yapamwamba kwambiri, kuchepetsa mphamvu yogwira ntchito kuti ikhale yabwino ikatsekedwa, ndikuonetsetsa kuti ngakhale mutagwiritsidwa ntchito kwa nthawi yayitali, palibe chifukwa chokonzekera.