Chifukwa choyamba komanso chofunikira kwambiri ndikudalira kwathu kutulutsa kwachitsulo ku Australia.Kwa zaka zambiri, mtengo wa misewu yoteteza misewu wakwera kapena kutsika kwambiri.Pali kukhazikika.Ngati ubale ndi United States uli bwino, udzagwa, ndipo ubale ndi United States udzauka.Monga tonse tikudziwa, Australia ndi mchimwene wake wa ku United States.dziko langa posachedwapa adalengeza kuyimitsidwa kosatha kwa zokambirana zachuma ndi Australia.Australia ikhoza kugwiritsa ntchito iron ore kubwezera magazi.Mtengo wachitsulo wamakono uli pamalo apamwamba kwambiri pafupifupi zaka 10.
Chachiwiri, tsogolo, chitetezo cha chilengedwe, ndi kufunikira kwamphamvu kwapansi pamtsinje.Mtengo wam'tsogolo suli wolakwa, komanso ndi wolakwa.Kuwonjezeka kwa ndalama kumakhudzanso kukwera kwamitengo yachitsulo.Pofuna kukwaniritsa cholinga cha mpweya wa carbon peaking ndi kusalowerera ndale kwa carbon, malire oteteza zachilengedwe a zomera zachitsulo amakhalanso ndi zotsatira zochepa pamtengo wa corrugated guardrails.Kuchuluka kwa zinthu ndi kufunikira kwa msika kudzakhudzanso mtengo wamtengo wapatali.Sizinganenedwe kuti osowa ndi okwera mtengo kwambiri.Zofuna zikachuluka kuposa zomwe zimaperekedwa, mtengo wa malata osungira udzakwera ndithu.
Chachitatu, kuchuluka kwa ndalama zomwe amasindikiza ku United States kwachititsa kukwera kwa mitengo padziko lonse lapansi.

Zifukwa zosiyanasiyana ndizokwera kwambiri, zomwe zimapangitsa kuti mitengo yazipatso zapamsewu ikwere kwambiri