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  • Created: 16-09-21
  • Last Login: 16-09-21

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  • The Advantages of Canvas Tarps

    16-09-21

    Tarpaulins (tarps) made of canvas are some of the most versatile tarps on the market today. These tarps can be flame retardant, water resistant, and mildew resistant. Canvas tarps come in several fabric gauges, from 10-ounce to 17-ounce and up. (The…

  • How battery chargers work

    16-09-21

    If you've read our main article on batteries, you'll know all about these portable power plants. An example of what scientists refer to as electrochemistry, they use the power of chemistry to release stored electricity very gradually.     What…

  • Cars that watch you watch them steer

    16-09-21

    The automobile, in American life, has long been a hallmark of freedom. A teenager’s first driver’s license offers freedom from Mom and Dad. A new car and the open road bring the freedom to chase the American dream. But as more technology creeps in to help…

  • Control Valve

    16-09-21

    This valve controls the expulsion of oil from the spring side of the second gear band servo piston at speeds in the region of 60 km/h. The time period for oil to exhaust then depends upon the governor pressure varying the effective exhaust port…

  • How Cement Mixers Work

    16-09-21

      In addition to the mixing energy applied to the fresh concrete (i.e. shearing during mixing), the shear history after mixing is also important. This applies especially to binder rich concretes like the different types of high performance concrete (HPC).…

  • Bus HVAC energy consumption test method based on HVAC unit

    16-09-21

    In this study, passenger comfort and the air pollution status of the micro-environmental conditions in an air-conditioned bus were investigated through questionnaires, field measurements, and a numerical simulation. As a subjective analysis,…

  • Introduction to Injection Mold Verification

    16-09-21

    Injection molding is one of the most commonly used production processes for plastics. This is rightly so as it offers a viable solution for the mass production of high-quality injection automotive parts from a broad range of polymers. In the automotive…

  • Beauty & Style

    16-09-21

    Earrings, ornaments decorating the ears, have been one of the principal forms of jewelry throughout recorded history. The term usually refers to ornaments worn attached to the earlobes, though in the late twentieth century it expanded somewhat to include…

  • Can Liquid Nails Bond Wood To Metal?

    16-09-21

    It’s a common household problem. However, you have another problem. You have a wooden bathroom door and a metal knob. What’s the quickest way to reattach the two surfaces? Can you trust your tube of liquid nails to do the job?     Liquid Nails can bond…

  • Basic electrical quantities: current, voltage, power

    16-09-21

    Voltage and current are the cornerstone concepts in electricity. We will create our first mental models for these basic electrical quantities. We will also talk about power, which is what happens when voltage and current act together.     The concept of…