Nywa ku nnamuziga y’omu ngalo kati ng’okufuga okusinga mu ngalo, era naddala mu nkola y’okusima nayo dizayini esinga okwagalibwa, kubanga yalowooza ku nsonga enkulu kye kigendererwa, ekifo n’engeri y’okukola, gy’okoma okwanguyira, ddala, okuteeka ekikulu kwe kulungamya omulimu gwa switch.
Manual control valve ekoleddwa okuziyiza okulemererwa kw’empewo okulemererwa oba okukutuka kw’ekivaako, enkola yaayo enkulu ey’okukozesa ye: enkola z’okunyogoza mu bwangu n’okulungamya obubenje; Ekyokubiri kye kizibu kya valve ya control valve; N’ekisembayo kwe kujja kw’ebyo waggulu, ebigendererwa ebikulu ebya nnamuziga y’okukuba sitampu oba kozesa omudumu gw’emikono okufuga emirimu gy’ebisumuluzo.
