id	keyword
brj-22533	temperature
brj-22533	floor
brj-22533	surface
brj-22533	materials
brj-22533	heating
brj-22533	radiant
brj-22533	fig
brj-22533	performance
brj-22533	doi
brj-22533	article
brj-22533	boards
brj-22533	conductivity