- The survey result made by Hengshui Environment Survey Station shows that the air pollution in Hengshui in recent years is mainly due to coal fume and second-time dust and the water pollution is very serious and noise pollution is far beyond the standard.
- MONITOR PAHS IN COAL FUME BY REAL-TIME METHOD
- I suffer a lot if I breathe in dust, tobacco smoke, coal fumes, insecticides or something with a particular odor.
- We need to replenish our stocks of coal.
- She piled on more coal before the fire go out.
- I add the coal on the flame continuously.