The tšepe le polasetiki grating bitsoa tšepe-polasetiki composite geogrilles, ke matla a phahameng tšepe terata (kapa faeba tse ling), ka mor'a kalafo e khethehileng, ka polyethylene (PE), 'me eketsa additives tse ling, ka extrusion ho etsa hore e composite phahameng matla tensile strip. , e nang le khatello e matla, e tsejoang hape e le matla a matla a matlafalitsoeng a geostrip.