Ключевые слова: abstract, background, bight, billow, camber, corrugated, corrugation, crease, crimp, crimped, crinkle, crisp, crisscross, crumple, curl, dilate, edgy, face, flow, flutter, frill, frizz, frizzle, geometric, indent, inside, kink, kinked, kinky, lines, parallel, pattern, pucker, ridge, ripple, ripply, ruffle, sharp, stripe, undulant, undulate, waving, wavy, wiggle, wobble, wobbly, zigzag,