Cyanosis describes the symptom that happens when a personâs skin, lips, or fingernail beds turn from the personâs natural color to a blue or bluish color. The color might also look grayish or dark purple. âCentral cyanosisâ is blueness that mainly affects the lips, tongue, and mouth. âPeripheral cyanosisâ is blueness in the skin of the arms, legs, feet, hands, fingers and fingernail beds. Both of these kinds of cyanosis can be caused by COPD or by complications of COPD.
Types of Business Industries Business industries are classified into five: Product Industries. In this type of industry, you manufacture your own product such as dresses, toys, furniture, and shoes. Agricultural products such as poultry and piggery are also a specialized form of product industry. Process Industries.
The Construction Industry âº Types of Construction THE CONSTRUCTION INDUSTRY IS divided into two sectors: Non-residential, which has three sub-sectors (heavy industrial, institutional and commercial, engineering), and Residential. Each sector has its own merits with a varied and rewarding range of work projects. You might find yourself: 1  constructing cutting-edge, eco-friendly homes. 2  constructing massive hydro-electric projects like the Niagara Tunnel Project. 3  building state-of-the-art entertainment complexes, like the Edmonton arena, Rogers Place. 4  building a super-bridge, like the Port Mann Bridge.