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.
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INDIVIDUAL “SHADOW”
Going on a fine summer day at the beach, you take a small bedroll, which at the chosen place and unfold the envy of all the neighboring vacationers receive individual oblong tent at the...