A covering in the form of a mat or web, comprising a substrate formed as a mesh product or fabric and plastic foam enveloping the substrate which define lines of beaded caterpillar ties, extending longitudinally in a first direction, and rows of thinner connecting ties, extending longitudinally in a second direction substantially transverse to the first direction, with gaps therebetween. The caterpillar ties each comprise a constriction extending continuously along each transverse edge of the respective caterpillar tie between adjacent connecting ties over an upper or lower side of the respective caterpillar tie.

 
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> Polystyrene binding peptides and methods of use

> Foam-generating kit containing a foam-generating dispenser and a composition containing a high level of surfactant

~ 00566