Ka rukom khein ia ki step dieng .
Sngewbha pyni ia ki jingthew ba donkam
X - ka jingheh jong ka jingplie
Y - Ka jingjrong jong ka jingplie
Z - Ka jingheh jong ki step
F - Ka jingjrong jong ki step
W - Ka jingkhluit jong ka step
C - jingkhein jong baroh ki kyrdan
C1 - Ka jingbun ki step ha ka liengsuin kaba kham poh
C2 - Ka jingkhein ia ki step ba kylla
ka jingshim jingmut
Ka jingkhein ia ki step kiba don ki step kiba kylla 90°.
Ka jingkieng dieng kaba don ki step kiba kylla ka lah ban pynduna shibun ia ka jaka ha iing khlem da duh ia ka jingsuk bad jingtreikam.
Haba khein, pyrkhat bha ia ka jingkhein kaba biang tam jong ki step ba pynkylla. Ha ka jingshem jong nga, 3 tylli ki step ki long kiba bha tam na ka bynta ka step kaba heh 80 cm.
Kham bun - ki step kin long kiba rit palat bad kumta kin ym sngewtynnad.
Lada ka jingplie ka don tang halor ka tduh jong ki step, te ka jingjrong ha ka jaka ba kylla sha ka jingkhang ka long kaba kongsan ban lait na ka jingmynsaw ha ka khlieh. Ka dei ban long ym duna ia ka 2 meter.
Da kane ka jingpynwandur, ka jingheh jong ki step ka don ka bynta kaba kongsan. Namar ka ktah beit ia ka jingsuk ban pynkylla step. Katba nang heh ka step, katta nang bun ki step kiba lah ban pyndonkam khlem da duh ia ka jingsuk.
Namar ka jingpher jong ki projek bad ki jingshna, ia ki jingker na ka bynta ki step ym shym la khein ne pyni ha kano kano ka rukom ha ka prokram.
Bakongsan! Pyrkhat bha ia ki jingthew jong ki step ba kylla. Ban ioh ia ki jingthew jong ka step, wat klet ban pyndap ia ka jingheh jong ka jingmih sha kine ki jingthew.
Ka jingkhein ia ka step maw kam pher na kaba khein ia ka step dieng ne nar. Kaba kongsan ka long ban khein thikna ia ka jingheh jong ki step. Ka jingjrong jong ki ka dei ban long kumjuh na ka bynta ki bynta jong ka baroh.
Ia ka jingkhein ia ka jingsuk jong ki step la khein da kaba pyndonkam ia ka formula kaba pynshong nongrim ha ka jingjrong jong ki step.
Ka jingjrong jong ka step jong u briew ka long naduh 60 haduh 66 cm, bad ka jingjrong kaba pdeng ka long 63 cm.
Ka jingkieng kaba suk ka iadei bad ka formula: 2 tylli ki jingjrong + ka jingjylliew = 63±3 cm.
Ka jingkynriah kaba suk tam jong ki step ka long naduh 30° haduh 40°.
Ka jingjylliew jong ki step jong ki step ka dei ban iadei bad ka jingheh jong ki juti 45 - ym duna ia ka 28-30 cm.
Ia ka jingbym don ka jingjylliew lah ban pyndap da ka jingmih shabar jong ka step.
Ka jingjrong jong ka step ka dei ban long haduh 20-25 cm.
Ka prokram kan dro ia ki dur jong ka step kaba don ki step kiba kylla ryngkat bad ki angle bad ki jingthew ba kongsan.
Ki dur ki pyni ia ki jingthew ba kyllum jong ki step, ki dak jong ka tduh jong ki step ha ki string, ki tduh jong ki step bad ki jingthew ba kongsan jong ki step hi.
Nga kyrmen ba ka prokram kan iarap ia phi ban design bad shna ia ka step na ka bynta ka kper ne ka iing jong phi da la ki jong ki kti.