Ukubonisa umlingani
1. Ukusebenza okungangeni manzi ngaphezu kuka-3,000 mmH2O ngaphansi kwezindinganiso zaseMelika (ASTM).
2. Ukuphefumula okungaphezu kuka-3,000 g/24h m2 ngaphansi kwezindinganiso zaseMelika (ASTM).
3. Ukubhalwa kwezimpawu nge-embroidery.