A professional who tends machine that affixes address labels to advertising matter preparatory to mailing. Responsibilities include:

• Adjusts wing (feed guides) to accommodate size of article to be labeled and places stack of unlabeled articles between guides.
• Mounts roll of preaddressed labels onto machine spindle.
• Fills reservoir with water or paste.
• Moves handle and turns rubber wheel to feed label over roller or brush that applies water or paste and under blade that automatically cuts labels from roll and applies label to mailing piece.
• Removes labeled article from machine and stacks on table, exposing unlabeled article for labeling.