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Основната част на велосипедната каска е слой пресиран стереопор и пластмаса, които се счупват при удара и така поемат значителната част от силата. След по-силен удар каската задължително трябва да бъде изхвърлена и сменена с нова.

This entry was posted on събота, декември 24th, 2011 at 11:07 and is filed under . You can follow any responses to this entry through the RSS 2.0 feed. Both comments and pings are currently closed.