Ịgbakọ size nke osisi na akwa mgbago na stringers
Ezipụta achọrọ akụkụ millimeters
X - ịrị steepụ oghere ogologo
Y - The elu nke n'ọkwá
Z - The obosara nke steepụ
C - Number nke nkebi
W - The ọkpụrụkpụ nke nzọụkwụ
F - ntule nzọụkwụ
T - ọkpụrụkpụ kosoura
H - show risers
LR - direction n'ọkwá inwego
SP - ọnọdụ nke mbụ ogbo ka n'ala larịị nke abụọ nke ụlọ
Atụmatụ.
Ngụkọta oge ga-adaba adaba imewe osisi sadulu steepụ.
Ịchọpụta ego nke ihe.
Kpọmkwem akụkụ nke niile nkọwa.
Zuru ezu drawings na ihe osise nke ihe nile ọcha nke n'ọkwá.
Ụkpụrụ nduzi maka ala nke na akwa mgbago.