Gupakira: ingoma ya galvanised kg 220 kg iyo ubisabye ubundi buryo bwo gupakira burashobora kuboneka
Ububiko: bigomba kubikwa kure yumuriro cyangwa izindi nkomoko zishobora gutwikwa, kandi bigomba kurindwa nubushuhe kuko, cyane cyane PI na verisiyo 600, byoroshye korohereza mugihe bihuye nubushuhe bwumwuka. Mu gihe cyitumba MTHPA irashobora gukomera, irashobora gusubirwamo byoroshye no gushyushya gusa.
Ubuzima bwa Shelf: amezi 12 uhereye igihe yatangiriye
