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Health Risks of Living Near an Electric Substation

EMF contain both electric and magnetic field at 90 deg of phase difference and oscillating at angle of 180 deg.The electric field traverses the air … See more

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Brief Guide to Air Pollutants & Where They Come From

WebHere are some of the most common air pollutants, but this list is not exhaustive. Allergens can come from dust, cooking exhaust, smoking fumes, tobacco smoke, moulds, pets and …

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The Basics of Water Treatment and Water Quality

WebThe history of drinking water treatment moved from basic boiling or filtering through sand to chlorine disinfection, which brought about dramatic decreases in waterborne diseases. …

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The History of Water Chlorination

WebThe history of water chlorination systems begins in the mid 1800s with several isolated examples of the use of chlorine to disinfect water related things like a water supply …

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The Basics of HVAC

WebBasic Need for HVAC. The objective of HVAC are to control the temperature of air inside the designated “Air Conditioned” space along with control of moisture, filtration of air and …

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Best Indoors Humidity Range for Humans, Books, and Electronic …

WebAccording to the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), the ideal humidity range for humans is between 30 to 60 percent relative …

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Mechanical Ventilation in HVAC

WebMechanical ventilation is the process of changing and circulating air using mechanical air handling system. It is more efficient than natural ventilation as it is more controlled and …

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4 Most Common HVAC Issues & How to Fix Them

WebOne of the most common is clogged air filters. Air filters are designed to trap and collect dust particles and pollutants from your HVAC unit. But once they become overloaded they …

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Mechanical Workshop Safety Rules

WebMechanical workshops safety rules are devised to make things easy, for the workers and workshop managers simultaneously. Workshops include working with heavy machinery, …

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What is Biomechatronics

WebBiomechatronics is an interdisciplinary science. It draws all its basic concepts and knowledge from a variety of fields and areas of science including biology, mechanics, …

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Excel Formulas for Calculating the Volume of Storm Water …

WebThe equation for converting detention pond volume in mm over the watershed area, Vs, to m3, is: Vst = (10) (Vs) (A) m3. In S.I. units the runoff depth, Qb or Qa, can be calculated …

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The Health Hazards of Electromagnetic Field (EMF) or Radiations …

WebPerception Effects: These are often experienced as static electric shocks due to the accumulation of charges on the human body. These effects happen for a frequency of …

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What is R22 Refrigerant, Refrigerant R22 or Freon 22 (R 22 Freon)

WebR22 refrigerant is one of the most commonly used refrigerants. R22 refrigerant is also called as Freon 22 or simply R 22 Freon. R22 is the short name for the halocarbon compound …

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Time to Upgrade Your HVAC

WebA damper controls how much air is let in through the duct by changing the angle of its faceplate. When a thermostat senses that a room needs more air from a heater or AC, it …

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Health Risks associated with Ozone from Room Ionizers

WebMost room ionizers generate ozone in order to kill microbes and attract dust. Positively charged ozone bind with negatively charged particles and make them fall to the floor. …

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The Bardenpho Process of Wastewater Treatment leads to better …

WebSludge that is the final end product of wastewater treatment plants requires further treatment with chemicals or other substances to remove nitrogen and phosphorous which could …

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Cost Effective Maintenance Now Enhances Roadway Safety and …

WebBen Franklin's old adage as applied to roadways. "Pounds" of relatively inexpensive materials and procedures applied as preventive maintenance can improve …

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What a Pyrometer Can Tell Us About Turbocharger Health

WebA marine pyrometer is a useful tool in monitoring the health of a turbocharger. Two diesel pyrometer gauges should be used; one measuring the exhaust gas temperature from the …

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