Hip nta ntsa na rafter system hpe sawn la ai
Ra ai shadawn shadang ni hpe madun dan rit Milimeter hku nna
Y - nta ntsa tsaw ai
X - nta galu ai
Z - nta dam ai
C - kaji dik htum eaves ntsa kaw na galu kaba ai
U - Rafter dam ai
W - Rafter n-gun
S - Rafter nsen
O1 - Sheathing board ni a dam lada ai
O2 - Sheathing board n-gun
R - Lathing lahkam
Program galaw lu ai atsam ni.
Truss npawt nhpang hpe sawn la ai lam.
Rafter ni a matu ra ai arung arai ni hpe dawdan ai.
Sheathing board ni a n-gun hpe dawdan ai.
Rafter system a daw yawng a hkrak tup shadawn shadang ni hpe maram yu ai.
Hip nta ntsa, npawt nhpang, sheathing ni a hkrang sumla ni hpe hkrak tup ka da ai.