Kwan pa dit pa yeny ma juyubu ku baw ku cinge
Kwayu nyuth dit pa piny ma mitere i milimita
X - bor pa dhugola
Y - Bor pa step
Z - Lat pa step
C - Namba mi tyelo
W - Lat pa step
F - Overhang pa step
T - pek pa bowstring nyo stringer
H - Nyuth risers
LR - yo mi yen
SP - kabedo pa tyelo mir acel malube ku rwom pa wi ot mir aryo
Ker pa program.
Kwan pa yub maber pa yeny ma juyubu ku yen iwi bowstrings.
Nwangu wel piny ma mitere.
Dit pa piny ceke.
Cal maber man cal pa piny ceke mi staircase.
Lembe ma juyero pi bedo yot pa rwom.
Kwan pa bedo maber pa yen ju kwanu ku formula ma lubu bor pa yen.
Bor pa wotho pa ngati nicaku 60 ku 66 cm, ku rwom ma romo 63 cm.
Kabedo maber urombo ku formula: 2 step heights + thum pa tyend = 63±3 cm.
Kabedo maber uloyu mi rwom pa yeny utiye nicaku 30° nitundo 40°.
Thum pa rwom pa yeny ucikere ni bedu marom ku dit pa wara 45 - kud piny 28-30 cm.
Bedo mbe pa thum copo bedu maber ku wok pa step.
Bor pa step ucikere ni bedu 20-25 cm.