Ikhaya / Imikhiqizo ithegiwe “Weld preheating” Okuzenzakalelayo uphenya Hlunga ukuthandwa Hlunga ngamuva Hlunga amanani: low high Hlunga intengo: ukusuka phezulu kuya phansi Umshini Wokushisa Wokushisa Ngaphambi Kokushisa