木材或其他纖維狀纖維素，紙張或紙板紙漿回收（廢料及碎料）紙，紙板及其應用, 48 Paper and paperboard; articles of paper pulp, of paper or of paperboard, 48.21 -paper and paperboard labels of all kinds, whether or not printed:, 48.21.90.00 -paper and paperboard labels of all kinds, whether or not printed: --other, 業務, 業務