Heat shrink identification cable marker sleeves akagadzirwa kuti asangane nezvinodiwa zvepamusoro-kushanda kuzivikanwa kwewaya netambo, maturusi, hosi uye michina. Yakagadzirwa kubva kune yakavimbika flame-retardant polyolefin ine yakatanhamara zvivakwa, maoko anogona zvakare kushandiswa semagetsi ekudzivirira. mamaki anogara zvachose mushure mekudhinda.