Mapangidwe apamwamba amachititsa kuti azikhala omasuka.Chigobacho chimapangidwa ndi mapulasitiki aukadaulo a ABC okhala ndi kukhazikika komanso kukana mphamvu, omwe ndi otetezeka kugwiritsa ntchito.Kugwiritsa ntchito mkati kwa Omron micro switch design kuteteza mawonekedwe a okosijeni.Moyo wautumiki ndi wautali, ndipo moyo wamakina umaposa nthawi 1 miliyoni.Moyo wamagetsi ndi nthawi zopitilira 200,000.
Makina ambiri a piritsi amano amagwiritsa ntchito chosinthira chamanja, chomwe chinganenenso kuti ndi masiwichi apadera amanja opangira mano.