Examining the Effect of Magnetic Field on the Accuracy of Global Navigation Satellite System Receivers

The upcoming technology to measure any given point is the Global Navigation Satellite System, also called GNSS. In many fields of science and technology, satellites are used to provide autonomous Geo-spatial positioning. It discovers their location (Latitude, Longitude, and Altitude) to high precision using time signals transmitted. This research is to find out the effect …

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Field Measurement of Sound Insulation in Buildings and Building Elements

In recent years, in science and technology, the idea of controlling sound transmission in buildings has shifted from focusing on individual assemblies such as walls, floors and glass. We live in a noisy world where we are constantly exposed to different kinds of noise, ranging from low to high frequencies. Prolonged exposure to such noises …

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Occupational Health and Safety Management in Small Scale Automobile Repair and Maintenance Workshops in Sri Lanka

The above-stated industry formerly known as the auto mechanic industry in which the primary duty is to provide mechanical and electrical repair and maintenance for cars, bikes, trucks, and all sought of automobiles. This particular industry includes self-employed mechanics, garages, car paint shops, wheel alignment, and tirerelated workshops, etc. However, petrol sheds, spare parts shops, …

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Study of Crepe Rubber Manufacturing Process, Economical State and Waste Management in Sri Lanka

Sri Lanka has a proud natural rubber product manufacturing industry that plays a significant role in the economy, providing a considerable identification to Sri Lanka. The history of the rubber industry dates back to 1876. The first rubber tree was planted at Henarathgoda botanical garden in Gampaha by Sir Henry Wickham [1]. After 1876, within …

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Occupational Health and Safety in Gemstone and Graphite Mining Industry – Sri Lanka

The gemstone mining industry has a long history in Sri Lanka. In the pages of history, many explorers claiming that this country had the best gems on earth. Still, Sri Lanka has very demanded mountaintop for world-famous gemstones such as sapphire, tourmaline, ruby, chrysoberyl, topazes, and blue-sapphire. Gemstone mining places are situated in Ratnapura, Okkampitiya, …

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