Mu myaka irenga 20, STMC yiyemeje gutanga ibicuruzwa byiza na serivisi nziza kubakiriya kwisi yose.Nkumushinga wambere wimashini ya kirogenic yamashanyarazi twatanze imashini ibihumbi mubihugu birenga 30 bitandukanye.Usibye ibicuruzwa byiza, tunashimangira cyane serivisi zabakiriya.Twashyizeho sisitemu ya serivise ikuze nyuma yo kugurisha kugirango tumenye neza ibyo abakiriya bakeneye kandi dutange inkunga zose.
