<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.uwekezaji mdogo: uwekezaji wa wakati mmoja na kubadilisha sawa sawa uwekezaji wa sasa unaotokana na mabadiliko ya nguvu, umeme, sanduku la kudhibiti, cable, uhandisi, nk, uwekezaji mmoja, faida ya muda mrefu.  <response>: less investment: one-time investment and alternating current equivalent alternating current investment from power transformation, power supply, control box, cable, engineering, etc., one investment, long-term benefit. 