Matsin lamba kwantena rufi yana nufin abubuwa da aka yi amfani da su rufe kwantena karshen don su keɓe ciki da waje kafofin watsa labarai, kuma aka sani da karshen rufi. Shirye-shiryen silinda na silinda yawanci suna juyawa. Za a iya raba siffar da rufi surface zuwa convex, conical, flat siffar da kuma hada siffar. convex fuska ne mai nufin waje surface siffar convex fuska, kamar semispherical, elliptical, farantin da uncoupled gefe fuska da dai sauransu. Wasu silinda na gas suna amfani da haɗin ƙasa mai siffar fuska zuwa ciki, wanda zai iya tabbatar da ƙarfi kuma ya sadu da amfani da aminci.