Very often, the spokes of the umbrella over the plastic lugs which may fall, break, and the needle exposed, and the fabric is lifted up. Because the tip will not stick together, the rescue wearing instead spoke plastic sleeve (insulation). In the sleeve is screwed a suitable nut to which said loop tensioning of the fabric. N. SMOLIN, Chelyabinsk
Recommend to read
POCKET WINCH
A huge family of various lifting devices — from the powerful gantry and tower cranes to simple pulley— added another accessory device, designed by the innovators of the scientific...
Gliding over the waves
An aquaplane is a board on which one rides on water, tied with a long rope to a motorboat or boat. Just like water skis, an aquaplane keeps a person on the surface of the water due to the...
