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Electrical
Controls
HVACR
Mechanical
Energy
Merch Shop
Hours between two dates and times
Paul Evans
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Mar 15, 2015
0
What is Voltage?
Paul Evans
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Mar 15, 2015
7
What is electricity?
Paul Evans
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Mar 3, 2015
7
The difference between mass and weight
Paul Evans
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Feb 20, 2015
2
Area of an annulus
Paul Evans
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Feb 14, 2015
1
Area of a circle
Paul Evans
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Feb 14, 2015
5
Area of a square
Paul Evans
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Feb 14, 2015
0
Area of a rectangle
Paul Evans
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Feb 14, 2015
0
1
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R114 Pressure Enthalpy Chart
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AC and DC Electricity
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