| 摘要 |
The dirt-prevented foil for gas cooker and electric cooker made of heat-resisting material particularly of aluminium, characterised in that it is in rectangular (5) or square (1) shape, and it has circular holes for keeping up the gas outlets (2) or it has circular holes for keeping up the heating coils (3), it has self-sticking strips, which are placed on the sides (4) of the foil, from the surface which contacts with the surface of the gas or electric plate. |
