- The main factors which affect the path of pulverized wood dust firing in steam boiler or hot-oil boiler are described.
- The equations for calculating the path of pulverized wood dust firing are deduced on the basis of temperature differential efflux theory of fluid mechanics.
- A fire was burning in the grate.
- The motor car disappeared in eddy of dust.
- He took out a fire insurance policy for his house.
- The forest will act as a defense against desert dust.