Supports-a straight metal staircase awm zat chhut dan
Dimension mamawh chu millimeter-in tarlang rawh
X - stair hawnna zau zawng
Y - hawnna san zawng
W - Ladder zau zawng a ni
F - ledge step hrang hrang a awm
C - Step awm zat
Z - Step thickness a ni
H - Bowstring chunga step san zawng
A - Bowstring a thuk zawng a ni
B - Support thickness a ni
D - support mounting hlat zawng a ni
U - angle of inclination chu a support chu vertical lam hawiin a ni
SP - Step hmasa ber awmna chu second floor-a floor level nena khaikhin chuan ruat rawh.
LR - Lift lam hawi chu set rawh. Stairs drawing atan.
![Metal staircase hmanga chhut dan](/metal_ladder/stair5.png)
emaw
Programme neih theihna tur.
Second floor thlenga metal staircase design awlsam tak chhut.
Thil mamawh zat tur tihfel.
Part zawng zawng dimension dik tak.
Metal staircase-a element zawng zawng chipchiar taka siam leh diagram.