Imodoka yimbere yimbere nibice byose byimodoka yawe ishushanya kuruta imikorere. Intego yacyo yibanze ni ugukora imbere yimodoka mubidukikije byiza kandi bishyushye. Ingero za Trim zishobora gushiramo ibizunguruka uruhu, umurongo wurugi, imitako yo hejuru yimodoka, intebe ya trim, imitsi, cyangwa indorerwamo ya sun.
Ihuriro rusange rihuriweho hagati yubu bwoko bwa trim ni uko bashishikarizwa. Bakorera intego ifatika nko kwikuramo imodoka yawe kugirango bashishimure. Nko gukomeza amaboko kuva gutwika ku ruziga kuva izuba cyangwa gukumira igisenge cy'imodoka kwangirika kw'amazi. Ariko, abantu benshi babona ko ari ibintu byiza byo gushushanya kwimodoka yawe bituma iriba ryimbere hamwe na kijyambere.