90-degree khe swlaijak tei chubachuni sakao yaklap tongnai sorni thapmani lekhamung
Khapang srangwi nangmani rangchakno milimeter bai phunukdi
X - stairs khulokmani kotorma
Y - Kholokmani kotorma
W - Stair ni kotorma
F - Step ni swkang
T - string ni mung
C - Step ni mung
Z - Step ni kwrakma
H - String ni sakao step ni kotorma
A - Bowstring ni kwrakma
B - Chubachu khwlai di
G - String ni kotorma
D - chubamung bachamani hasing panthor
U - chubamungni angle wngkha chuknohani bwkhak
SP - Puila step ni position no swngwi nai di, tei kaisa step ni floor ni level no swngwi nai di.
LR - Set khai di. Stairs ni drawing ni bagwi.
Program ni phan.
90-degree khe swlaijak steel ni yaklap ni kaham design ni lekhamung.
Tei nangmani manwirokni mungwi decide khlaimani.
Joto part ni thik thik rangchak.
Joto sor ni stairs ni manwi rok ni kwchak kuphur khe swnamjak mangpili tei mangpili.