When welding T-joints of pipes pre-combining them is difficult. Made a fixture consisting of two metal plates, studs, and two nuts, it is possible to securely lock the segments of pipe in the desired position.
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CALIPER
Among the tools and devices for measuring the internal diameter of pipes and other cylindrical bodies is probably the most simple. Made of plywood, plastic or metal, cut an isosceles...
USEFUL VIBRATION
There is a whole range of different mechanisms for various kinds of sealing and tamping in construction from rollers to vibrotables. The device, created at the Central...
