Profile pipe kaw na trapezoid a matu daw ni hpe daw kau ai angle ni hpe sawn la ai
X - Ntsa kaw na trapezoid a galu kaba ai.
Y - Structure tsaw ai.
Z - Lawu kaw na trapezoid a galu kaba ai.
E - Profile pipe a galu kaba ai lam.
Program galaw lu ai atsam ni.
Trapezoid hkrang hku nna npawt nhpang langai hpe galaw na matu daw ni a cutting angle ni hpe sawn la ai.