A-board, caution machine under maintenance

A-board, caution machine under maintenance. Lightweight, portable plastic board, double-sided, for temporary hazard situations. A-boards. Caution machine under maintenance. Freestanding, lightweight, portable double-sided boards for identifying internal, temporary hazards.NSA19 Board size 480mm x 250mm, with print area 300mm x 200mm. Material corrugated plastic board.