Work with roller glass cutter will be much more accurate if the basis for such processing, as shown in the figure.
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In 1974, the firm Sikorsky started to create on the basis of a military helicopter S-70 the first commercial passenger 12-passenger helicopter. When designing new machines, great...
TO FOCUS THE JET…
The majority of sprays and atomizers departing from them under the pressure of the stream tends to expand in the form of a cone. However, you can try to "focus" below and in the distance...