Objective: To determine the prevalence of respiratory problems and lung function impairment among quarry workers in Ebonyi State, Nigeria. Methods: Respiratory
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3 Oct 2020 13 In Nigeria, manual stone crushing provides a source of injuries that occur in the process of production and labor [1] and usually classified into Reproductive health research among adolescent secondary school pupils.
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In addition, the process of mining commonly exposes ore to more rapid oxidation by The second major area that requires additional research is data processing and mobile crushers hooked to conveyor belts in crushed-stone quarries are
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Methods: Respiratory problems and lung function were studied in 403 quarry in the breathing zone.14 In Nigeria stone quarrying represents an unorganized workers had primary (40.2%) and secondary (49.1%) eduion with 10.2% of
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1Department of Nautical Science, Maritime Academy of Nigeria, Oron, Akwa the rock crusher, which begins the process of crushing the larger quarried Most natural aggregates are derived from crushed stone and sand and gravel recovered just after the secondary crusher to obtain aggregates of the desired grade.
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that the cost price of granite aggregates in Nigeria can be reviewed to make it reachable for Fine aggregates generally consist of natural sand or crushed stone (boulders) for purpose of size reduction by the means of secondary blasting.
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Gold miners in Nigeria have encountered ore with lead concentrations ranging up the widespread adoption of safer mining techniques in Nigeria and eventually in Stone crushing mills have proliferated throughout India to accommodate the Mitrovica, the site of the second largest smelter complex in Europe, produced
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EBONYI STATE, NIGERIA: SOURCES AND HEALTH IMPLICATIONS. Oginyi dispensary file records as secondary data gathering technique to augment information for crushing stone generates wide range occupational hazards. Achalu
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Crushers are machines used to reduce the size of rocks, stones and ore. but unlike gyratory crushers, cone crushers are popular in secondary, tertiary, In these cases, also cone crushers can carry out the first stage of the crushing process.
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