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Ithangi lesitoreji lisetshenziselwa ukugcina isitsha esivalwe ngensimbi ewuketshezi noma igesi, ubunjiniyela bethangi lokugcina i-petroleum, amakhemikhali, okusanhlamvu namafutha, ukudla, ukuvikelwa komlilo, ezokuthutha, i-metallurgy, ukuzivikela kazwelonke kanye nezinye izimboni ingqalasizinda ebalulekile ebalulekile, imfuneko yayo eyisisekelo...Funda kabanzi»
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Izidingo zekhwalithi ye-geomembrane esetshenziswa ezindaweni zokuvala izindawo zokulahla imfucumfucu ngokuvamile zingamazinga okwakhiwa kwamadolobha (CJ/T234-2006). Ngesikhathi sokwakha, kungabekwa i-geomembrane engu-1-2.0mm kuphela ukuze kuhlangatshezwane nezidingo zokuvimbela ukugeleza kwamanzi, okonga indawo yokulahla imfucumfucu. ...Funda kabanzi»
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Amachibi okwenziwa kanye namashaneli emifula abeka ifilimu engangenisi kanye nendlela yamathange: 1. Ifilimu engangenisi ithuthwa iyiswe endaweni ngomshini noma ngesandla, futhi ifilimu engacwilisi kufanele ibekwe mathupha. Ukubeka i-geotextile akufanele kukhethe isimo sezulu esingenamoya noma umoya ohelezayo, ukubeka i-sh ...Funda kabanzi»