180 degree turn leh supports-a step nei metal staircase chhut dan
Dimension mamawh chu millimeter-in tarlang rawh
X - stair hawnna zau zawng
Y - hawnna san zawng
W - Ladder zau zawng a ni
E - Platform zau zawng
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.
180 degree a turn nei 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.