Retangular twisao twijlangni kotorma lekhamani
Khapang srangwi milimeter bai phunukdi
X - konteina kotorma
Y - kontenar ni kuchukma
L - konteina kotorma
H - twijlangni level
Program wngkha kwchak kuphur khe tongnai twijlangni kotorma, bebak tei kwrwi kotorma, tei sakani jagarokno lekhanai.