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.
There are various types of industries. These are mentioned as follows :-. Primary industry is concerned with production of goods with the help of nature. It is a nature-oriented industry, which requires very little human effort.