| 摘要 |
<p>A process for making a brick comprises the steps of prearranging at least one pair of half-shells (3a, 3b) and fixing said half-shells (3a, 3b) to each other to define a main body (2) of the brick with a cavity {4} therein. The process further comprises the step of introducing a preset quantity of argon into said cavity (4), A brick comprises a pair of half-shells (3a, 3b) fixed to each other to define a main body (2) of said brick (1); said main body (2) exhibits an inner cavity (4); said cavity (4) holds a preset quantity of argon.</p> |
