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| | Home Recording Studio Build it Like the ProsWith the advances in digital technology, musicians can now produce their own music. But the gear is only part of the equation when it comes to recording and mixing. The next part is finding a soundproof room that you can produce it in. Unfortunately, any old room in your house will not suffice for a quality recording. Without a decent room, you'l... | | Municipal Solid Waste Incinerator Residues (Studies in Environmental Science)
The International Ash Working Group (IAWG) was established in 1989 to conduct an
in-depth review of the existing scientific data and develop a state-of-knowledge treatise
on MSW incinerator residue characterisation, disposal, treatment and utilisation. The
topics of operator and worker health and safety, and health risk assessment... |
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| | The New York City Subway System (Building America: Then and Now)In 1912, workers digging to create the Broadway Subway, north of Murray Street in lower Manhattan, hit a brick wall approximately 21 feet (6.4 meters) below the street surface. Breaking through the wall, the laborers came upon a tunnel 9 feet (2.7 m) in diameter and lined with eight- inch- thick (20.32 centimeters) bricks. Two rails led into a... | | |
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