Pafupifupi onse opanga chopukusira pansi amapanga kokha makina, koma osati konkire akupera zimbale. Ndizomveka, chifukwa ngakhale zida zogaya konkriti zimagwiritsidwa ntchito pansi, pomaliza ndizinthu ziwiri zosiyana ndipo zimafunikira chidziwitso chosiyana popanga. Yakhazikitsidwa mu 1993, Sunny Superhard Tools ndi katswiri wopanga zida za diamondi, ndipo timapereka mitundu yonse ya mbale zopera za konkriti kuti zigwirizane ndi zopukusira pansi padziko lonse lapansi, monga HTC, Lavia, ASL, Klindex, Husqvarna, EDCO, Blastrac, Prep / Master, etc.

Mbale yopera ya htc patsamba lino idapangidwira zopukutira za HTC. Ndi magawo awiri ozungulira amtundu wa diamondi (kutalika kwa 15mm), imakhala ndi moyo wautali. Mitundu yabwino kwambiri ya diamondi imatsimikizira magwiridwe ake apamwamba. Konkire iliyonse ndi yosiyana - Zida za Sunny Superhard zimakupatsirani zomangira zazikulu za htc mbale zokutira konkriti.

Zosankha Zosasankha