id	keyword
brj-22678	wpvc
brj-22678	composite
brj-22678	materials
brj-22678	parawood
brj-22678	seawater
brj-22678	periods
brj-22678	content
brj-22678	ageing
brj-22678	immersion
brj-22678	weathering
brj-22678	teakwood
brj-22678	parawood content
brj-22678	properties
brj-22678	agents
brj-22678	seawater immersion
brj-22678	growth