̥..̙.͊̐ṯhe̯ s̅ỳśt̀em ͂re̒quires m̺͏ore energ̡y. ̭A̶̝͒ convë́n͏ie̬nt̃ ̅source͉ ͂li͇e̠̘s ͝ben̫ea̧̝͂th̨ ̔t̷he̪ ̯͑̚çrust̴̑.͏..