• National High Magnetic Field Laboratory - Current Flow Tutorial
  Current Flow This tutorial illustrates how the flow of water through a system of pipes can be used to understand the flow of current through an electric circuit. Here blue particles represent the flow of water, moving as electrons do through a circuit to create electricity. The rate of water flow, defined as the volume of the fluid moving past a certain point in a fixed amount of time, is comparable to the rate of charge passing a point in a circuit (electric current), which is measured in amperes (coulombs/second).
  By pdboyer in Public bookmarks with circuit current defined electric electricity electrons flow middle_school_science rate tutorial
• Hydromulching and Hydroseeding Defined
  Hydromulching and Hydroseeding Defined. Hydromulching, sometimes referred to as hydroseeding, is a grass planting process. The process is fast, efficient, and economical. This grass planting process is usually more effective than conventional seeding and certainly more economical than conventional sodding.
  Hydromulching and Hydroseeding Defined. Hydromulching, sometimes referred to as hydroseeding, is a grass planting process. The process is fast, efficient, and economical. This grass planting process is usually more effective than conventional seeding and certainly more economical than conventional sodding.
  and defined grass hydro hydromulcher hydromulching hydroseed hydroseeder hydroseeding mulching process seed seeding sod units
  By patfale in hydroseed with defined grass hydromulching hydroseed hydroseeding planting referred sometimes

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