<prompt> Translate the following text to SwahiliLong-term projects, such as retrofits of more than one unit at one site, also lend themselves to additional efficiencies from learning curves.  <response>: Miradi ya muda mrefu, kama vile retrofits ya zaidi ya kitengo moja katika tovuti moja, pia kutoa wenyewe kwa ufanisi wa ziada kutoka curves kujifunza. 