摘要 |
<p>Advertising or information discs may be removable fixed to holder fitted on supermarket trolley handgrip. Discs e.g. of plastics or other moisture resistant material are inserted into block-type holders fitted to trolley handgrips. Discs may be round, square, rectangular or oval and information e.g. written on disc, using a felt pen. Disc diameter may vary between 1 and 7 cm.</p> |