Iqela ngalinye lezincedisi kuwo wonke umhadi wesiseko kulula ukwakhiwa ngaxeshanye.Ukuba amalungu angakwazi ukugqitywa ngenxa yeemeko, amalungu kufuneka abekwe kwi-1/3 yesithuba sekholamu yentsimbi. Umqadi wesithsaba kunye nomqolo wesinqe wakhiwe ngokwamacandelo, icandelo ngalinye linobude obungama-30 ~ 50m.Amalungu okwakha agxadazela kwindawo yamalungu eepile kwaye unqande iikona.Sebenzisa iminatha yokuvala ekhawulezayo nelula nezikwere zomthi ukufaka phakathi kweentsimbi ukuvala icandelo elisezantsi lemiqadi yesithsaba.Ngaphambi kokuba kwakhiwe umqadi wesinqe, amalungu kufuneka acwecwe. Emva kokuba ukwakhiwa kwesithsaba kugqityiwe, iigrailrails, iibhodi zokubaleka, iminatha yokhuseleko, kunye neempawu zokulumkisa zifakelwe kuyo
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