Kwano gin ma ki lwongo ni spiral staircase
Walegi ni inyut dit ma mite
H - Bor pa cel
D1 - O.D.
D2 - Diamita me iye
C - Wel tyen lok
Z - pek pa rwom
A - rwom me wirre pa cel
ka neno
Bor pa rwom ma tye i rwom ma ki lwongo ni spiral staircases omyera pe obed piny ki 80 cm.
Lac pa rwom ma tye i kin piny omyera obed 20-25 cm, i dul ma lac loyo - pe kato 40 cm.
Bor pa rwom me rwom ma ki lwongo ni spiral staircase twero bedo dit kato bor ma ki miito pi rwom me wot.
Bor pa rwom me cito malo tye 16 cm, pi rwom me cito malo - 18 cm.
I kabedo ma tyen tye ka cito iye, rwom me cito malo omyera obed 25-30 cm, ki tung cinge - ma romo 30-35 cm.
Kit ma tye ka wot kwede ni obi bedo yot.
Dit pa rwom me cito malo.
h - bor pa tyen
W1 - lac pa tyen i dul ma lac
W2 - lac pa tyen lok
α - kit ma ki yubu kwede