Jingiarap ban khein ia ki jingkieng konkrit ba beit
Ha ka jingkhein, ngi lah ban jied ar jait ki jingpynwandur step.
Ki jingpynbna na ka bynta ki jingthew jong ka jingkieng kaba la shna da u mawshun
Ia ki jingthew la pyni ha ki milimeter.
X - Ka jingjrong jong ki step
Y - Ka jingjrong jong ki step
W - Ka jingheh jong ki step.
A - Ka jingjrong jong ka rynsan.
Lada ka jingpynwandur ia ka step jong phi kam ai ia ka jaka shong, te buh ia ka jingjrong jong ka jaka shong . = 0.
В - Ka jingkhluit jong ka platform.
Z - Ka jingkhluit kaba kham heh. La shim khia tang ha ka jait step kaba rim.
F - Ka jingpynpaw ia ki step.
G - Ka jingkhluit jong ki step. Ha ka jait jingkieng kaba rim la pyndonkam ia ka kum ka jingkhluit jong ka jingpynpaw .
F.
Ka jingpynskhem ia ka step kaba long tang kawei.
Ia ka jingpynskhem la ju pyndonkam tang ha ki step ba la shna da u maw type 1.
Hynrei baroh ka shong ha ka projek jong phi.