The zitsulo ndi pulasitiki kabati amatchedwa zitsulo-pulasitiki gulu geogrilles, ndi mkulu mphamvu zitsulo waya (kapena CHIKWANGWANI), pambuyo chithandizo chapadera, ndi polyethylene (PE), ndi kuwonjezera zina zina, kupyolera extrusion kupanga gulu mkulu mphamvu kolimba Mzere. , ndi kupanikizana koopsa, komwe kumatchedwanso kuti high strength reinforced geostrip.