
When the device paths across the lawn at their summer cottage or in any similar works on dernove layer it is convenient to use a wide Board stacked under the legs working. Not trampled grass, and trimming turf with a shovel runs along the edge straight as a ruler.
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MELTING FURNACE
The furnace is designed for metals with suitable melting temperature in a volume of 10 cm3. It is an electrical transformer, the secondary winding ends of which are closed with a...
BOAT PROPULSION
...From the hold model is extracted something like a spoon with fixed candle candle. He lights the match, the wick flares up with a bright flame, and "spoon" is lowered into the hold of...