Blood ketones are primarily used to screen for, detect, and monitor a serious, sometimes life-threatening condition called diabetic ketoacidosis (DKA) in people with type 1 and sometimes type 2 diabetes.
Confidence votes 318K. Ribbed fabrics are any fabrics with a ribbed surface, especially corduroy. These fabrics are highly popular and can be sold at a variety of different stores including fabric organisations, John Lewis, Debenhams, Fabric-dreams.
In all cases the top surface remains flat, and the underside is modulated: 1  Corrugated, usually where the concrete is poured into a corrugated steel tray. 2  A ribbed slab, giving considerable extra strength on one direction. 3  A waffle slab, giving added strength in both directions and it looks hollow from bottom .