90° kayin ai hte lahkam ni hpe sawn la ai

shingdu de kayin ai hte lahkam ni hpe sawn la ai°

Ra ai shadawn shadang ni hpe madun dan rit Milimeter hku nna

X - Lagaw gawk zing la na hpaw ai shara a galu kaba ai lam
Y - langai ngu na htap a npu madang kaw nna lahkawng ngu na htap a npu madang du hkra tsaw ai
E - Lagaw dam ai
F - Lahkam ni a ntsa kaw
Z - Lagaw lahkam galu ai

C - lahkam yawng a jahpan
P - Lahkam jahpan + ginsup shara

Turning stairs hpe sawn la ai gaw, dingyang stairs hpe sawn la ai hta loi mi grau sawng ai.
Stair comfort hpe sawn la ai shaloi, step galu ai hpe madung tawn nna formula hpe lang nna sawn la ai.
Masha langai a lagaw galu ai gaw 60 kaw nna 66 cm lapran rai nna, shadawn shadang hku nna 63 cm rai nga ai.
Hkring sa ai lahkam gaw ndai formula hte bung ai: lahkam 2 tsaw ai + lahkam sung ai = 63±3 cm.

Lagaw npawt ni hpe 30° kaw nna 40° du hkra shinggrup na matu shim dik ai shara re.
Lagaw lahkam ni a sung ai gaw, hkyepdin size 45 hte maren rai ra ai - 28-30 cm hta n yawm ai.
Dai sung ai lam n nga ai hpe step a protrusion hku nna gram lajang mai ai.
Lagaw lahkam a tsaw de 20-25 cm du hkra rai ra ai.

Dai hta n-ga, n-gun n-gun hpe galai shai ai hku nna, shingdu de kayin ai n-gam langai a shim lum lam hpe mung lu la mai ai.

Ndai lamang hta, madung angle hte dimension ni lawm ai, kayin wa ai nta npawt langai a sumla ni hpe ka na re.
Dai sumla ni hta, npawt nhpang ni a madung shadawn shadang ni, npawt nhpang ntsa kaw na sumri ni hta masat da ai masat kumla ni, npawt nhpang ni a jut ni hte npawt nhpang ni a madung shadawn shadang ni hpe madun da ai.