Tendril unbranched or bifurcate. Inflorescence usually a polychasium. Seeds elliptic, obovoid-elliptic, or obtriangular, surface smooth, corrugated, or with strumose protuberance or ribs.
Two patterns of air plane engine inlet hot-air anti-icer are introduced in this paper, one is circumferential anti-icer, the other is double skin corrugated chord direction anti-icer.
That cardboard and paper is sorted by workers who remove any remaining contaminants, or stray plastics, and separated the materials into bins for newspaper, mixed paper, and corrugated cardboard.
This is made possible through something called a lenticular lens – a corrugated sheet in which each ridge is made up of a convex – or outward-curving – lens.
She flung the tea back, spoon and all, and resumed her chair in a pet; her forehead corrugated, and her red under lip pushed out, like a child's ready to cry.
As one does when faced with the undeniable fact that a bit of corrugated iron is the sort of thing that all normal, right-thinking people keep lying about in their sheds, just in case there's call for it.