among manual stone quarrying workers african

(PDF) Assessment of Occupational Diseases among Artisans ...

In m any developing countries of the world especiall y in Africa, ... among manual stone quarr ying workers. Afr. J. ... Okojie OH, Edet E. Artisan al manual of stone quarrying in a rural ...

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quarry in nigeria

Nigeria Granite Quarries, Nigeria Granite Quarry Owners - Stone Nigeria Granite Quarry - You Can Find Many Granite Quarries and Buy Cheap Granite Blocks,Slabs and Tiles from Quarry Owner. Pulmonary Problems among Quarry Workers of Stone Crushing ... 21 May 2012 ... ment among quarry workers in Ebonyi State, Nigeria .

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Non-occupational exposure to silica dust

Sand quarry, near California. It has been mentioned by Ruble and Goldsmith[] that Goldsmith[] reported particulate matter less than 10 μm (PM-10) and silica levels measured at two sites near a sand quarry, near California.Mean PM-10 concentrations for sites were 18.9 and 18.2 μg/m 3, and mean silica concentrations were 1.33 and 1.11 μg/m 3, respectively from 6–7% silica content in the PM ...

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Health And Safety In Quarrying | Agg-Net

The quarrying industry is a noisy industry. The QPA3 states that typical noise levels could be between 89–108dB (A) for a primary crusher and 106–110dB (A) for hand drills. The principle health effect of being exposed to high levels of noise in the long term is noise-induced hearing loss.

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Assessment of toxic heavy metal loading in topsoil samples ...

problems among manual stone-quarrying workers has been reported (Ugbogu et al., 2009). Heavy metals contamination of the environment from acid mine drainage produced from exposure of certain sulphide in both active and abandoned quarry/mine sites has been investigated by Sengupta (1992) and Zuhairi et al. (2009).

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Occupational Safety and Health in Mining

Arbete och Hälsa (Work and Health) is a scientific report series published by Occupational and Environmental Medicine at Sahlgrenska Academy, University of Gothenburg. The series publishes scientific original work, review articles, criteria documents and dissertations. All articles are peer-reviewed. Arbete och Hälsa has a broad target group and

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Occurrence of respiratory and skin problems among manual ...

A comparison of the occurrence of respira- workers workers proportion 5% tory disease symptoms between manual quarry workers (n=202) (n=220) and a control population shows that there is a higher Respiratory 172 86 0.61 9.68 ±1.96 occurrence of respiratory diseases symptom among the symptoms (0.85) (0.39) quarry workers.

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(PDF) Musculoskeletal disorders (MSDs) and their ...

MSDs and their associated factors among the quarry workers in Nigeria. It was conducted in the quarry industries in Ebonyi state, South-eastern Nigeria, between July to September 2020.

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Childhood in a quarry - dandc.eu

The contributors highlight the fact that rich countries benefit from children working illegally for a pittance in quarries. In 2016, Germany alone imported nearly 20,000 tonnes of natural stone from China, India and Vietnam destined for use as paving stones, gravestones, kitchen worktops and garden design elements.

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(PDF) World at work: Marble quarrying in Tuscany

Lucca in Tuscany, have been a centre for. the excavation of white marble, venato. and arabescato, and Cardoso stone. Marble is a metamorphic rock composed. of calcium carbonate with a quartz ...

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Aggregates for Concrete - Memphis

Crushed stone is produced by crushing quarry rock, boul-ders, cobbles, or large-size gravel. Crushed air-cooled blast-furnace slag is also used as fine or coarse aggregate. The aggregates are usually washed and graded at the pit or plant. Some variation in the type, quality, cleanli-ness, grading, moisture content, and other properties is expected.

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problems associated with stone quarrying on abakaliki

Pulmonary Problems among Quarry Workers of Stone Crushing ... problems associated with stone quarrying on abakaliki. ... health risk of stone quarrying journals. ... quarrying technique for aggregate and its associated risk. ... Read more among manual stone-quarrying workers - African Journal of ... masaryk df quarry - arcadria.eu.

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(PDF) Impact of sandstone quarrying on the health of ...

Impact of sandstone quarrying on the health of quarry workers and local residents: a case study of Keru, Jodhpur, India July 2019 DOI: 10.1007/978-3-030-29643-8_5

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Occupational Hazards and Safety Measures Amongst the Paint ...

Occupational hazards and safety measures among stone quarry workers in Northern Nigeria Nigerian Med Pract, 50 ( 2006 ), pp. 42 - 47 View Record in Scopus Google Scholar

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environmental effects of stone quarrying in africa

Stone quarrying is a form of land use method concerned with the extraction of non-fuel and non-metal minerals from rocks. Using the qualitative model, the paper interrogates the impact of stone quarrying on the livelihoods of the workers and provides critical insights into the effects of …

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[PDF] Occupational Health Works in a Flour Mill in Ilorin ...

A descriptive cross-sectional study was carried out to determine the level of knowledge and health and safety practices among 123 flour mill workers in one of the flour mills in Ilorin, North Central Nigeria. Data was collected using structured interviewer-administered questionnaire, key informant interviews and walk-through survey between 02 September and 25 October 2013.

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Problems Associated With Stone Quarrying On Abakaliki

Problems Associated With Stone Quarrying On Abakaliki Stone quarrying is a multistep process by which rock is extracted from the ground and Pnmoconiosis is a group of lung diseases caused by inhalation of airborne Abakaliki in Ebonyi State of Nigeria to evaluate the impact of quarry dust history of impact of stone crushing on environment.

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OCULAR MANIFESTATIONS AND SAFETY AWARENESS AMONG QUARRY ...

The vast majority (P ≤ 0.0001) of non-mine workers (75.2%) had no visible ocular findings compare to the sand and stone miners (32.4%). Among quarry workers, pterygium (24.3%), pingueculae (5.7% ...

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Occupational Hazards And Safety Measures Among Stone Quarry

Occupational hazards and safety measures . 12/02/2007· The study was undertaken to determine the occupational hazards, and safety measures among Stone quarry workers in Zaria, Northern Nigeria It involved the administration of questionnaires to all the workers in the quarry in Zaria City in order to obtain data on sociodemographic characteristics, occupational profile, hazards, safety ...

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Kibii (68).pdf - ILO(2014 Minya Quarries Protecting the ...

Melodi, M. (2017). Assessment of Environmental Impacts of Quarry Operation in Ogun State, Nigeria. Journal of Engineering and Technology, Vol. 2, Issue 2, September 2017 Melodi, M. M., & Ogunyemi, O. B. (2019). Socio-economic impact of granite stone quarry engagement on workers' livel ihood in Ondo and Edo States, Nigeria. ABUAD Journal of Engineering Research and Development, 2 (2), 10-15.

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African Journal of Respiratory Medicine | Archive

African Journal of Respiratory Medicine guidance for authors pdf (43kb) African Journal of Respiratory Medicine News pdf (71kb) Diagnosis of tuberculous pleurisy using the biologicL parameter adenosine deaminase pdf (204kb) Occurrence of respiratory and skin problems among manual stone-quarrying workers pdf (215kb)

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Surface Mining Methods and Equipment - EOLSS

Dimension stone quarrying is quite similar to open pit mining, but rock breakage without blasting is almost exclusively employed to cut prismatic blocks or tabular slabs of rock. The high labor intensity and cost associated with cutting stone makes quarrying the most expensive surface mining method.

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Edéa | Cameroon | Britannica

Edéa, town located in southwestern Cameroon.It is situated at the head of steamboat navigation of the lower Sanaga River.. Aluminum from Fria in neighbouring Guinea is the basis of the town's aluminum industry, which produces aluminum ingots, sheet metal, and products. A school, a hospital, and living quarters are provided for staff and workers in the factory complex.

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Occupational Hazards, Safety and Hygienic Practices among ...

Aliyu, A.A. and Shehu, A.U. (2006) Occupational Hazards and Safety Measures among Stone Quarry Workers in Northern Nigeria. Nigerian Medical Practice, 50, 42-47. Asuzu, M.C. (1994) Occupational Health. A Summary Introduction and Outline of Principles. African Link Books, Ibadan.

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Findings on the Worst Forms of Child Labor - India | U.S ...

(1,32,62) Children are also forced to work as bonded laborers in brick kilns and stone quarries to pay off family debts owed to moneylenders and employers. (1,11,32,43) Children typically enter debt bondage along with their entire family, and trafficked children are employed in cotton farms, home‐based embroidery businesses, roadside ...

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Problems in the mining industry in South africa - ECDPM

The current turbulence in the mining industry in South Africa has its roots in several different factors. First, the fall in global demand for platinum and other minerals due to recession; second, the consequences of the Marikana disaster in destabilising labour relations; and third, the structural character of our mining industry. A great deal has been written about the first two factors, so ...

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(PDF) Onset of Silicosis among Sandstone Mine Workers in ...

Quartz can occur naturally with varying concentrations in rocks particularly. in sandstone contain 67% silica. 3 Prevalence of silicosis amongst stone quarry worker was 21 % and in the stone ...

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Health Hazards of Mining and Quarrying - ILO Encyclopaedia

Health Hazards of Mining and Quarrying. The principal airborne hazards in the mining industry include several types of particulates, naturally occurring gases, engine exhaust and some chemical vapours; the principal physical hazards are noise, segmental vibration, heat, changes in barometric pressure and ionizing radiation.

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(PDF) Quantification of Reduction in Forced Vital Capacity ...

The sand stone quarrying process i s done manual ly . ... dusts from various origins in the African Copperbelt. ... silicosis and many more respiratory problems among …

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TECHNICAL CALCULATION AND ESTIMATOR'S MAN-HOUR …

MANHOURS MANUAL You can buy the electronic v ersion of the Manual containing all the figurest and other relat ed data at the following prices: 1. COMPLETE MANUAL (239 pages) US$ 600 US$ 1000 2. EACH CHAPTER IPIPING ABOVE GROUND - 36 pages + 20* US$ 180 US$ 300 II PIPELINES - 7 pages + 20* US$ 75 US$ 120

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China Anti Drone System manufacturer, Anti Drone Gun ...

Now our customers have been covered to more than 50 countries among the Europe, Asia, Africa and America. As a top and experienced machinery manufacture, we have our own factory with large size of professional production bases and skillful workers. We constantly innovate and introduce advanced production technology and equipment.

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Musculoskeletal disorders (MSDs) and their associated ...

Quarry workers are commonly afflicted with musculoskeletal disorders (MSDs). This health problem has been recognized as a significant threat to the quarry workers' safety but is rarely reported, particularly in Nigeria. Therefore, this study aimed to assess the prevalence of MSDs and their associated factors among quarry workers.

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Opencast Mining (Quarrying): Methods, Advantages ...

Manual Quarrying: In this case manual labour is employed. Small drilling machines, drilling 1.2 m to 1.8 m deep holes, 37 mm diameter, are used and the holes are blasted with gun-power or other explosives. The overburden and mineral are manually loaded into tubs which are hauled by …

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chemistry of quarry dust - Crusher, quarry, mining and ...

Occurrence of respiratory and skin problems among manual stone-quarrying ...214 Кб. Do you cover your nostrils from dust while quarrying or sieving stones? • Do you wear overalls during your work hours?Occup Environ Med 2001; 58: 504–10. 8. Burnett RT, Cakmak S, Brook JR, Krewski D.

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