<prompt> Translate the following text to SwahiliPrimarily as a cost cutting option, more relaxed installation schedules of up to 36 months for a single FGD retrofit installation may be planned, but are not common.  <response>: Kwa sababu ya gharama za chini, ratiba za upanuzi wa miezi 36 zinaweza kupangwa kwa ajili ya ufungaji mmoja wa FGD, lakini si kawaida. 