1. Ukusebenza okungangeni manzi okungaphezu kuka-3,000 mmH2O ngaphansi kwezindinganiso zaseMelika (ASTM).

2. Ukungena komoya okungaphezu kuka-3,000 g/24h m2 ngaphansi kwezindinganiso zaseMelika (ASTM).

3. Wonke imithungo i-taped.

4. Amaphakethe anomthungo ongabonakaliyo anezikhiyezi ezingangeni manzi.

5. Ukuphranyiswa okubonakala kalula okubuyisela ukukhanya.