Materials and Methods: A cross-sectional study examined the relationship between perception of noise protection and the use of hearing protection devices among the stone-mortar workers in Phayao province. Thirty seven subjects were interviewed by questionnaire for perception of noise protection and the use of hearing protection devices.

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This was a comparative cross-sectional study in Ghana of 140 workers from the stone crushing industry compared with a control group of 150 health workers. The stone workers and controls were evaluated using a structured questionnaire, which assessed symptoms of hearing loss, tinnitus, knowledge on the health hazards associated with …

In the quarry industry, ZENITH can help our customers crush lots of rocks, such as granite, basalt, river stone, and limestone and so on. ZENITH solutions for aggregates are able to help them cut the cost,reduce the risk and improve the quality of aggregates.

To take this research forward we tried to give a thorough review of all the designs and performed on different stone crushers. Present focus is on primary and secondary crushers used in stone crushing, because in tertiary crushing process combination of primary and secondary crushing were used according to the specific …

The paper found that environmental pollution by stone crushing units affected 36 per cent workers with diseases like eye irritation, asthma, chest pain, tuberculosis, etc. Among these diseases, eye irritation, asthma and skin allergies were the main ones among stone crushing workers, it said.

Stone crushing in India is a small scale industry, where most of the operations are performed manually. A cluster of 72 stone crushing units located at Trisoolam in Chennai is a source of high ...

We are a reputable manufacturing industry, recognized as the premier supplier of building materials and crushed stones for various construction sites. Situated in Thatta's mineral-rich district, Friends Stone Crushers shines as a prominent figure in Pakistan's stone crushing industry. Spanning 1200 acres, the company holds a commanding ...

This paper aims to review and assess quarrying impacts comprehensively, besides, trying to crystallize a futuristic vision of urban landscape post-quarries. In order to obtain a clear image and ...

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Zambia has a growing population, so increased housing is necessary even though the construction industry is weak. According to The Times of Zambia, out of the estimated 12 million population, 7.6 people, some 63 percent, lived in extreme poverty in November 2009. The spike in unemployment and high levels of poverty have given rise …

It's time to dust off the sledgehammers and start cleaning up this place. ความสมพนธระหวางการรบรการปองกนเสยงดงและการใชอปกรณปองกนเสยงดง ของผประกอบอาชพทำครกหน จงหวดพะเยา เสกสรรค ทองตบ 1 ...

Silica dust hazards associated with local stone crushing industry causes Silicosis; Inhaling a prolonged crystalline silicon dioxide or silica causes this terrible disease.

Crushed stone machines play a critical role in the construction industry by crushing large rocks into smaller, more manageable pieces that can be used in a variety of building projects. In this comprehensive guide, we explore the different types of crushed stone machines, their components, and how to operate them safely and efficiently.

Investigation of the respiratory health problems of stone crushing industry workers in Bangladesh reveals that chronic exposure to dust at stone crushing plants increases the risk of respiratory problems and the impaired lung function of workers and reveals that there is a significant relation between respiratoryblems and inhalation of dusts and cigarette …

During the stone crushing operation, large size stone, mined from quarries in the size range of 200–300 mm, is crushed to smaller usable sizes, generally 6, 12, or 25 mm.

A cluster of 50 stone crushing units located at Pammal, in suburban Chennai, the capital of Tamil Nadu State, India, is a source of high levels of dust generation in the vicinity of the crushers and in the communities surrounding them. Ambient air quality ...

A questionnaire survey was conducted in stone crushing industrial area of Sargodha, Pakistan to assess its harmful health and economic impacts on workers engaged in different activities of stone ...

Stone crusher machines are equipment designed to crush or break down large stones, rocks, and minerals into smaller pieces, gravel, or dust for various applications. According to the customer's final particle size requirements for crushed aggregate, it has different crushing stages with various machines, including primary crushing equipment, …

A study in Nigeria showed a significant decrease in FVC and FEV1 among the quarry workers of the stone-crushing industry exposed to dust. 11 Another study done on stone crushers found that PFT ...

Most of these units are located in the Northern Tripura districts on either side of national or state highways. This has created a new landscape whereby mechanical crushing and screening of stones has replaced manual-breaking of stones to a large extent. Mechanical stone crushing is the source of dust and sound pollution.

This was a comparative cross-sectional study in Ghana of 140 workers from the stone crushing industry compared with a control group of 150 health workers.

Stone Crushing Equipment Market to Exhibit Remarkable Growth Owing to Increasing Constructional Activities in Developing EconomiesPune, India, Dec. 19, 2022 (GLOBE NEWSWIRE) -- The global stone ...

The perusal of the impugned notices clearly indicates that only temporary stoppage of crushing activities till getting scientific report by conducting trial blasting in order to ascertain the effect to the safety of KRS dam for conducting mining …

The Stone Crushing Equipment Market Size was valued at USD 5.70 billion in 2022 and is estimated to reach USD 10.80 billion by 2030 with a growing CAGR of 8.3% over the forecast period 2023-2030.

This research was conducted to analyze the hand-arm vibration exposure levels in the workplace and the effects of vibrations on the health of stone crushing workers. The results suggested that the levels of vibration for rock drilling operators, measured through two...

The stone-crushing industry plays a vital role in reducing the particle sizes of rocks and ores, and it is an important manufacturing area in rural regions involved in producing crushed stone of multiple sizes.

Approval of the protocol for this study was obtained from the Ethical Committee of Nnamdi Azikiwe University Teaching Hospital-Nnewi, leadership of the Stone Crushing Industrial Site, Umuoghara, Famers' Association, Ezzamgbo, as well as the Directorate of Public Health Ser-vices, Ministry of Health, Ebonyi State.

These regulations may be cited as the Blockmaking, Construction, Stone Crushing and Related Industries (Remuneration Order) Regulations 2003. 2. In these regulations -. "accounts clerk"means an employee who performs one or more of the following duties -. (a) prepares money for deposits in bank and arranges withdrawals;

The present paper has intended to explore the noise level and vulnerability to noise produced in the stone mining and crushing area and the surroundings in the heavily stressed stone mining and crushing area of Middle catchment of Dwarka river basin of Eastern India. Field-based noise recording has been done at different times in …