Zitseko za chipinda chozizira cha OMT zikuphatikiza chitseko chokhotakhota, chitseko chogwedezeka ndi khomo lolowera. Amagwiritsidwa ntchito kwambiri kuchipinda chozizira, chipinda chozizira, choziziritsa kuphulika ndi nyumba zina. Chinthu chachikulu ndi polyurethane. Zitseko zonse zimakhala ndi kusindikiza bwino komanso ntchito yotsekera.