Iiphedi zerabha, ezikwaziwa ngokuba yi-elastomeric keypads, zizixhobo zokufaka ezidla ngokusetyenziswa kwizixhobo zombane ezifana nolawulo olukude, iiselfowuni, kunye neenkqubo zolawulo lwamashishini.Ezi zitshixo zenziwe ngezinto eziguquguqukayo, ngokuqhelekileyo i-silicone okanye irabha yokwenziwa, evumela ukucinezela iqhosha lokuphendula.Izitshixo zibunjwe ngeepilisi ze-carbon conductive okanye i-metal domes phantsi kwazo, ezibonelela ngoqhagamshelwano lombane xa ucinezelwe.