Chitoliro chozungulira chimagwiritsidwa ntchito kwambiri mu gasi, mafuta, mafakitale amafuta, mafakitale amagetsi, mafakitale otenthetsera, madzi ndi ngalande zamadzi, Kutentha kwa nthunzi, chitoliro cha chitsulo cha hydropower, mphamvu zamatenthedwe, madzi ndi mapaipi ena azitali talitali ndikuchulukira, dredging, bridges, steelstr...
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