Inoshandiswa kuyedza kuchembera yemhando dzakasiyana dzemachira, dhayi, dehwe, epurasitiki, pendi, machira, mota dzemukati midziyo, geotextiles, zvigadzirwa zvemagetsi nemagetsi, zvivakwa zvekuvaka ruvara uye zvimwe zvinhu zvakateedzerwa mwenje wezuva unogona zvakare kupedzisa kukurumidza kwemavara bvunzo kuchiedza uye mamiriro ekunze. . Nekumisa mamiriro ekuvhenekesa kwechiedza, tembiricha, humidity uye mvura mukamuri yekuyedza, iyo yakateedzerwa yakasikwa nharaunda inodiwa pakuyedza inopihwa kuyedza shanduko yekushanda kwezvinhu zvakaita sekupera kweruvara, kuchembera, transmittance, peeling, kuomesa, kunyorova. uye kuputika.