1.Ubukhulu: 0.5mm-8mm.I-LWD: 25mm-100mm.2.SWD: 19mm- 58mm 3. Ububanzi: 0.5m-2m.4.Ubude: 0.5m-30m.I-5.I-Hole shape: Ihlukaniswe ngedayimane, isikwele, unxantathu oyindilinga, imbobo yesikali 6.Materials: Ipuleti yensimbi ephansi ye-carbon, ipuleti lensimbi engenasici, ipuleti yealloy ye-AL-MG, c...
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