Ihholo Lekhonsathi Lase-Damghan Kuphrojekthi ye-Echelon, abaklami bagqugquzelwe izendlalelo ze-Badab-e-Surat spring e-Damghan, Iran eklanyelwe ukusetshenziswa njengehholo lekhonsathi. Emsebenzini wabo, izendlalelo zevolumu ziklanywe ngendlela yokuthi ziholele ekudaleni ukuhlukahluka okubonakalayo ngaphezu kokugqugquzela ukusetshenziswa kubathengi. Ngokusetshenziswa kwerempu, izethameli ziqondiswa endaweni yokwamukela izivakashi enkulu kanye nevolumu. Ithimba labaklami linikeze ukukhanya kwesibhakabhaka ngokwamukela izendlalelo zengilazi nokhonkolo. Izindonga nophahla akusetshenziselwa kuphela ukwakheka kodwa kungasetshenziselwa izinhloso ze-acoustic.