| 摘要 |
<p>A mask is used to facilitate the transfer of markings from one card to another of the type used in weekly lotto type games, football coupons or similar. Each week a cross is entered on a card containing a matrix of squares. A plastic foil with a similar sized matrix of ribbed cells has the surface covered by individual peel off panels. The panels are readily removed to provide a permanent record of the marking required.</p> |
