U ôron iyenge i akaa a i yer ér bowstrings la

U ôron mze u kpekpe u kon u i er sha ikyav mbi utyaav yô

We a rumun yô, tese mze u i gbe u a kar la ken milimita.

X - Mzehemen u i bugh sha kpekpe
Y - Mze u stair
Z - Mzehemen u stair
C - Iyenge i akaa a i gbe u a er yô
W - Mzehemen u step
F - Overhang u steps
T - mze u ikyagh ki tswamegh shin ikyagh ki tswamegh
H - Tese mba ve mough sha
LR - gbenda u sha kpekpe u iyou la
SP - mlu u angahar a hiihii la zua sha mlu u shin inya u sha uhar la.


Program u eren akaa.

I ôr kwagh u mlu u vough u i er sha kon u i yer ér staircase la sha ikyav mbi utyaav.
U fan iyenge i akaa a i gbe u a er tom a mi la.
Ityough ki avegher la cii ki vough.
I nger akaa a i gber sha mi la vighe vighe shi i tese akaa a i gber sha mi la cii.
Kwaghwan u sha kwagh u mlu u stairs.

I ôr iyenge i mkpeyol u sha angahar sha u yaren tom a gbenda u i har sha mze u angahar yô.
Or ka nan cir angahar a nan kuma er 60 zan zan 66 cm nahan, man ka nan lu a mzehemen u 63 cm.
Ijiir i teman i dedoo zua sha kwagh u i nger heen ne: 2 step heights + mlu u shin inya = 63±3 cm.

Ijiir i hemban doon u eren tom a mi yô, ka i hii sha 30° zan zan 40°.
Ior mba ve lu a mnenge u vough sha kwagh u mlu u ken hemen la, ka ve nenge ér mlu u ken hemen la una lu vough a 45 - una lu sha ityough ki 28-30 cm ga.
Ior vea fatyo u sôron mlu u mlu u shin inya la sha u duen ken igbar sha ityough ki step la.
Ityough ki step ki ki lu a mzehemen u 20-25 cm la.