Ubuso bomnyango womlilo kufuneka bube bushelelezi kwaye bucoceke, ngaphandle kwama-dents acacileyo okanye umonakalo womatshini. I-welding yomnyango womlilo wensimbi kufuneka ibe yomelele, i-solder joints kufuneka ihanjiswe ngokulinganayo, kwaye akufanele kubekho i-welding yobuxoki, ukutshisa, ukuvuza kwe-welding, njl njl. zicwangciswe ngeveneer engaphezulu.