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
AND LIFT, AND PLUNGE
Concerns on rural households do not count. There are those that are associated with lifting, loading or moving heavy objects. But when workers, the performance of such work is...
IN SUMMER — MOTORCYCLE, IN WINTER — SNOWMOBILE
Snowmobile technology is finding increasingly wider application today. Industry and amateur craftsmen create the most diverse machine designs, specifically intended for winter operation....