"a concave mirror that concentrates the rays of the sun; can produce high temperatures"@en-us . . "solar furnace"@en-us . "solar dish"^^ . . "04258138-n"^^ . . "solar collector"@en-us . . "104095032"@en-us . "solar dish"@en-us . . . . "0"^^ . "0"^^ . . . . . . "104258138"^^ .