an organization maintaining a directory of tradesmen and checking on the quality of the service they provide.
blue around the gills
crocidolite. a bluish, asbestine variety of riebeckite. noun a blue fibrous amphibole mineral consisting of sodium iron silicate: a variety of asbestos used in cement products and pressure piping
an infant born with cyanosis resulting from a congenital heart or lung defect. noun a baby born with a bluish tinge to the skin because of lack of oxygen in the blood, esp caused by a congenital defect of the heart