id	keyword
brj-23688	ply
brj-23688	paper
brj-23688	pulp
brj-23688	strength
brj-23688	multi
brj-23688	ubsk
brj-23688	potential
brj-23688	properties
brj-23688	papermaking
brj-23688	bhk
brj-23688	layer
brj-23688	ply paper