Flying sparks representing a risk for the downstream filter systems were caused in the exhaust and dedusting systems by foreign bodies or defective machine parts.
2.
(1974 ) The study found that respirators can be a good addition to the effective dedusting medical examination of workers-in employment and periodically.
3.
In 1990 a new dedusting plant went into operation in order to reduce air pollution resulting from the increase in production and to meet the requirements of environmental protection of Al-Jubail Industrial City.
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