. . . . . . . . "heat"@en-us . . . . "103509025"^^ . . . . "heating system"^^ . . . "heating"@en-us . . . . . . . . "03509025-n"^^ . "heating system"@en-us . . "utility to warm a building; \"the heating system wasn't working\"; \"they have radiant heating\""@en-us . . . "0"^^ . . . . . . . . . . . "103380628"@en-us . . . . "heating plant"@en-us . . . . . "0"^^ . . . .