Evelyn brought the last of three trays to the table.
- Arrange two tea-trays, each on dry tumblers as before.
The tops can then be removed and the bulbs sorted and stored thinly in trays in a cool dry place.
Small objects are often heaped together in perforated trays or ladles, the cathode connecting-rod being buried in the midst of them.
In practice the metal is placed on aluminium trays traversing an iron tube heated to 300 0, through which a current of air, freed from moisture and carbon dioxide, is passed; the process is made continuous, and the product contains about 93% Na202.