Picket fence caah arch tuaktannak
A herhmi tahfung kha langhter millimeter in
H - a tlawmbik innkaa sannak
Y - innkaa sang bik
X - lenglei slats hna i an laifang karlak hlatnak
Z - picket tlanglawng kauhnak
K - Section pakhat chung i slats zat
D - Slats karlak hlatnak
A san ahcun
Y > H
A san ahcun
Y < H