Chubachu sakao kaisa kerong sorni stairs ni lekhamung
Khapang srangwi nangmani rangchakno milimeter bai phunukdi
X - stairs khulokmani kotorma
Y - Kholokmani kotorma
W - Stair ni kotorma
F - Step ni swkang
C - Step ni mung
Z - Step ni kwrakma
H - String ni sakao step ni kotorma
A - Bowstring ni kwrakma
B - Chubachu khwlai di
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.
eba
Program ni phan.
Tei kaisa swprakmani swprakmani kaisa kwchangma design ni hisab.
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.