“Every cricket stick to his last” — says the proverb. The same can be said about the tool: it is convenient, when each of them is not only reserved, but also equipped with appropriate storage space. We have already published several different versions of “Gazira” tool — here’s a whole series; their structure and purpose is clear from the drawings.
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TESTER FOR BATTERIES
The device allows you to monitor the status of the galvanic cells and batteries: it measures the voltage under a nominal load. Diagram of the device is a voltage divider made from...
SAFE STAIRS
Reversible ladder — a device simple and reliable. But only in ideal conditions, and when the floor is smooth and wall is straight. And if you have to work, say, in the stairwell on the...
