Always see during winter time old lady with difficulty dragged through the snow their shopping carts with products, and wheel trucks get stuck in the snow.
I propose by analogy with the runners for baby carriages made of metal of area a small slider, and to them fastened a tin box that tightly would include truck wheel. Length of slider — 200 mm below the removed they were placed at the bottom of the cart bag.
Recommend to read
- ROCKET FIGHTER TANKS
In 1957 the Soviet Union began to develop missiles for army vehicles. In the Kolomna Design office of mechanical engineering B. Shavyrina studied the possibility of equipping tanks... - MERCEDES-BENZ SLK 230
Double sports cars in Western Europe are sold annually about 100 thousand. A significant share of this market sector since 1996, holds MERCEDES-BENZ model SLK (abbreviation from the...