Mapangidwe athu osavuta kugwiritsa ntchito a davit arm multi bag fyuluta yokhala ndi zomanga kuchokera pamatumba 2 mpaka 24 kuti ikwaniritse zofunika kuchulukira kwamadzimadzi mpaka 1,000 m3/hr, zosefera zikwama zonse mu ASME VIII onani VIII DIV I muyezo.