Concrete ring ni hpe galaw na matu ra ai arung arai ni a n-gun hpe sawn la ai
Chyeju hte shadawn shadang hpe millimeter hku madun u
D - Konkrit shingkyit galu kaba ai
A - Bunghku n-gun
H - Tsaw shadang
Ndai program hpe concrete ring ni a arung arai ni hte n-gun hpe sawn la na matu galaw da ai re.
Concrete a n-gun, ring kata na n-gun hte diameter, n-gun ja ai mesh a shadawn shadang hte lamu ga jarit hpe sawn la ai.
Concrete ring ni hpe hka htung ni hte hka htung ni hpe galaw na matu lang ai.