Metal staircase 90 degree turn leh supports-a step awm 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
T - string awm zat
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
G - String A zau zawng
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.
Programme neih theihna tur.
Steel staircase design awlsam tak, 90 degree turn neia chhut.
Thil mamawh zat tur tihfel.
Part zawng zawng dimension dik tak.
Metal staircase-a element zawng zawng chipchiar taka siam leh diagram.