Akɔntaabuu kɛha atswele ni yɔɔ ŋwɛigbɛ
Ofainɛ tsɔɔmɔ bɔ ni ataoɔ lɛ
H - Atswere lɛ nɔyaa
D1 - O.D.
D2 - Mligbɛ diamita
C - Gbɛjianɔtoi ayibɔ
Z - Step ŋmɔlɔ
A - atswere lɛ sɛɛtsimɔ koŋ
kaimɔ nii
Esaaa akɛ atswerei ni yɔɔ atswerei ni yɔɔ ŋwɛigbɛ lɛ amli lɛ alɛɛmɔ baa shi fe 80 cm.
Esa akɛ step ni yɔɔ teŋgbɛ lɛ mlilɛɛmɔ afee kɛ hoo lɛ 20-25 cm, yɛ fã ni mli kwɔ fe fɛɛ lɛ mli lɛ - akafee nɔ ni fe 40 cm.
Ekolɛ atswere ni yɔɔ ŋwɛigbɛ lɛ atsɛ̃rɛ̃i lɛ nɔ kwɔ fe bɔ ni atsɔɔ akɛ akɛ atswere ni akɛnyiɛɔ lɛ atsu nii aha lɛ.
Atsɛ̃rɛ̃i ni akɛnyiɛɔ lɛ nɔ lɛ ji 16 cm, kɛha atsɛ̃rɛ̃i ni tsɔɔ ŋwɛigbɛ lɛ - 18 cm.
Yɛ he ni nane lɛ nyiɛɔ lɛ, esa akɛ ŋwɛi ŋta ni tsɔɔ ŋwɛi ŋta lɛ nɔ lɛ afee aaafee 25-30 cm, yɛ ŋwɛigbɛ - kɛ hoo lɛ, 30-35 cm.
Nɛkɛ step depth nɛɛ baafee nɔ ni hi jogbaŋŋ.
Atsɛ̃rɛ̃i ni yɔɔ ŋwɛigbɛ lɛ agbɛjianɔtoo.
h - step lɛ kɛlɛ
W1 - step lɛ mlilɛɛmɔ yɛ fã ni mli kwɔ lɛ mli
W2 - step blank lɛlɛ
α - design step koŋ