Zigawo za Large Bridge Crane:
Mfundo Yogwirira Ntchito ya Crane Yaikulu Ya Bridge:
Mfundo yogwirira ntchito ya crane yayikulu ya mlatho imaphatikizapo izi:
Ntchito zogulitsa pambuyo pogulitsa ndi kukonza ndizofunikira pakugwira ntchito kwanthawi yayitali, magwiridwe antchito achitetezo komanso kuchepetsa chiwopsezo cha kulephera kwa ma cranes apamwamba. Kukonza nthawi zonse, kukonza nthawi yake komanso kuperekera zida zosinthira kumatha kusunga crane pamalo abwino, kuonetsetsa kuti ikugwira ntchito bwino ndikutalikitsa moyo wake wautumiki.