<prompt> Translate the following text to SwahiliAs a result of the minimal mechanical interface between the sorbent injection system and the boiler, retrofit of an ACI system will typically require a fairly short outage - one week or less.  <response>: Kwa sababu ya interface ndogo ya mitambo kati ya mfumo wa sindano ya sorbent na boiler, upanuzi wa mfumo wa ACI kwa kawaida utahitaji kukatika kwa muda mfupi - wiki moja au chini. 