E nang le makoloigirder e le 'ngoe underhung craneskapa tlas'a matha crane ke mofuta o tšoanang oa single girder overhead tsamaea crane. Maraka a pina a crane ea underhung bridge hangata a hokahanngoa le ho ts'ehetsoa ke sebopeho sa ts'ehetso ea marulelo, ho felisa tlhokahalo ea litšiea tse eketsehileng tsa fatše ho tšehetsa lipina. Ka tsela ena, crane ea underhung bridge e na le melemo haeba sebaka sa fatše le tlhoko ea ho fokotsa litšitiso tsa fatše e le litaba tse mokatong oa feme kapa ntlo ea polokelo. Crane e le 'ngoe ea girder underslung le eona e ka ba tharollo e ntle bakeng sa lithupelo tse nang le siling e thellang kapa litsamaiso tse ngata tsa crane.
Single girder underslung craneshangata li sebelisoa bakeng sa ho sebetsana le thepa e bobebe, e boima ba lithane tse 10 kapa ka tlase ho moo. Li-cranes tsa rona tse tlase li etselitsoe ho ntlafatsa polokeho ea crane le ho fokotsa nako ea potoloho ea mojaro nakong ea tlhahiso ea lithupelo.
Underhung monorail cranes ea rekisoaka litheko tse kholo tsa crane tsa borokho. Li-crane tsa girder underslung tse rekisoang li chesa lithane tse 1, lithane tse 2 tsa underslung crane, 3 ton underslung crane, 5 ton underslung crane, 10 ton underslung crane le tse ling. Meetso ea Craft single girder underslung crane e teng ho fihlela lits'ebetso tsa hau tse ikhethileng le litlhoko tsa ho phahamisa.
Thekiri e le 'ngoe underslung craneke thepa e bobebe ea ho sebetsana le crane e behiloeng marulelong a sebaka sa mosebetsi ntle le litšiea tsa fatše, ho boloka sebaka le ho fokotsa litšenyehelo. Likarolo tse akaretsang tsa crane ea borokho bo le bong bo nang le moralo oa underslung ke tse latelang:
Boleng bo tsitsitseng, ts'ebetso e ka tšeptjoang le e tsitsitseng, e nang le melemo ea moralo oa crane ea borokho.
Koloi ea ho qetela / foreimi ea ho qetela e nka moralo o ntlafalitsoeng oa sebopeho.
Beam e thata kapa sebopeho sa lebokose le cheselitsoeng la crane se thusa kabo e nepahetseng ea mojaro.
Moralo oa crane oa ts'ebetso o ka hlophisoa ho latela kopo ea hau ho sebetsana le meroalo e haufi le lerako la moaho.
Li-cranes tsa monorail tse tlasee ka kopanngoa le mohaho oa marulelo ntle le litšiea, kahoo e eketsa tšebeliso ea sebaka sa fatše
Moralo o bobebe oa borokho ba borokho bo le bong bo nang le boima ba lithane tse ka bang 10 kapa ka tlase ho moo.
