Makina othamanga awiri amatha kuperekedwa mkalasi a, B, C, D, ndi E of Cmaa, omwe ali ndi matani 500 matani mpaka mikono 200 kapena kutalika. Mukapangidwa molondola, croud syrew crone ikhoza kukhala yankho labwino la mabizinesi akufunika kukomoka koopsa-sing'anga-sing'anga ndi / kapena malo ochepera. Kapangidwe kawiri kangakhale chisankho chokwera mtengo kwa crane yolemetsa yopanga, nyumba yosungirako, kapena malo apamsonkhano. Chne yemwe amafuna mphamvu zapamwamba, mtunda wokulirapo, kapena kukwera m'mwamba kwambiri kungapindule ndi kapangidwe kazikulu, koma kumatha kutsika patsogolo.
Mlangizi wa BRID BREDOM CREARDELAY AMAFUNA KUTI APHUNZITSIDWA KWAMBIRI KWAMBIRI Mbiri ya Bridge imayenda pamwamba pa mabatani a crane omwe akhazikika pop craney. Matayala omaliza - kuchirikiza mlatho wa mlatho umaloleza kukwera njanji za crane, zomwe zimalola kuti crane iyende ndi kutsika kwa crane. Bridge Garder - zomangira zopingasa pamitsuko yothandizira chithokomiro ndikukweza.
Kapangidwe kakang'ono ka HORMERS CREDER CRERECRARD BREAMS yomwe imapitilira kutalika kwa njira yonyamula matebulo, pomwe trolley yokhazikika pamagalimoto, pomwe trolley ya kukweza imayimitsa ndikuyenda pa mlatho. Mitundu iwiri ya gridider imapangidwa ndi mitengo iwiri yolumikizidwa ndi msewu wamagetsi, nthawi zambiri amapereka magetsi oyenda-chingwe, koma atha kuperekedwanso ndi magetsi oyenda bwino malinga ndi pulogalamuyi. Asanu ndi awiri am'mutu ndi ma hoists amatha kupereka zovala zopitilira muyeso wa Bridger zomwe zimagwiritsidwa ntchito, komanso zimaperekanso chizolowezi chopangidwa ndi ma predger a Bridger a Bridger a mafakitale osiyanasiyana. Chifukwa ma swivels amatha kukhala pakati kapena pamwamba pa mitengo yodutsa, 18-36 ya kutalika kwa Swivel kumapezeka mukamagwiritsa ntchito crane iwiri.