Black lung disease occurs in people working in
A). Electroplating industry
B). Organic solvents industry
C). Paint manufacturing industry
D). Coal mines
Coal mines
Coal workers' pneumoconiosis (CWP), commonly known as "black lung disease," occurs when coal dust is inhaled.
1. Covalent Bond is also called _________.
2. The electronic configuration of an atom having atomic number 20 is
3. Gobar gas basically contained
4. Which of the following is the best fuel in terms of energy released per gram of fuel?
6. Question 7.26:Write two uses of ClO2.
8. The add used in lead storage cells is