Mtundu woima
Chopingasa
Arch span roll kupanga makina okhala ndi kompyuta kwaulere. Zida zomangira, zopingasa komanso zothyola misomali zilipo.
Pali mitundu 10 ya UBM120 ndi UBM240 yomwe imapezeka, yomwe imakhala yodzipangira okha.
Mitengo yabwino yopingasa arch span kupanga makina, kupanga ndi kupindika mosiyana. Pamafunika antchito 4-5 kuti anyamule zinthu zomwe zatsirizidwa kuchoka pakupanga kupita kupindika.