Triangular hpun npawt hpe sawn la ai
Chyeju hte shadawn shadang hpe millimeter hku madun u
X - Truss galu ai
Y - Truss tsaw ai
Z - Beam n-gun
W - Beam dam ai
S - Dingyang tawn da ai laika jahpan
P - Struts
N - daw nambat hpe madun u
Hpun hte galaw ai nta ntsa npawt nhpang gaw, ngang kang ai sumri sumri zawn re ai npawt nhpang ni hpe shabyin ya ai arung arai ni lawm ai.
Hpun n-gang langai a tsaw de n yawm htum span galu ai hta tsa lam shadang 20 daram rai na matu hpaji jaw da ai.
Ndai program gaw ra ai arung arai ni hpe sawn la nna, truss a sumla ni hpe madun na hte ra ai daw ni a shadawn shadang ni hpe madun na re.