Now, many medicinal tablets are Packed in colorful plastic cells, covered with foil or paper. In improvised signal light devices are very convenient to use such cells as the cap-filter for signal lamps.
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THE ELECTROLYTE FOR THE BATTERY
How to make the electrolyte alkaline batteries? What are components, what should be the charging current, how long to charge? Electrolyte — aqueous solution of potassium hydroxide with a...
COFFEE — FROM THE CHAIR
Old chair caught for one reason or another are unnecessary, can be turned into a small coffee table. For this you will need chipboard for the table top and a few screws.
