Marka hore, ku habboon isticmaalka: dhammaan noocyada xaglaha ee 18-62mm valve waa la isticmaali karaa; saxan bir Ikhtiyaar ah Laba, qaabaynta: wejiga shaqeeya iyo sare iyo hoose chamfering a processing; Saddex, shiidi ma jiro: giraanta kursiga valve ka dib habaynta guud ahaan uma baahna shiidi, si toos ah ayaa loo isticmaali karaa waalka cusub; Afar, meelaynta saxda ah: hubi in kursiga waalka ee ka shaqeeya xagasha wejiga, booska chamfer sare iyo hoose, ballac iyo coaxial oo leh hagaha waalka; Shan adeegsi: daab reamer leh oo af leh...
