Make sure the contractor is accredited by associations such as the International Ground Source Heat Pump Association.

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"I know they're being overpriced because everybody thinks they're magic, and they're selling it as magic, " says James Bose, a professor at Oklahoma State University and executive director of the International Ground Source Heat Pump Association.

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Open-source software gained ground during the dotcom boom and even more so afterwards, as a way to cut costs.

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If close relationships trigger attachments that ground people, then a phone is a constant source of reinforcement as it consistently dispenses rewards.

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No product or partnership can last for long (if it gets off the ground at all) without a well-defined source of value for your customers, your partners, and your own company.

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"If you don't have a fountain in your garden, at least place a bird bath on the ground so rabbits and other creatures can have a water source, " she says.

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According to Samsung, KNOX is a new Android-based platform designed from the ground up with security in mind to address the shortcomings of the current open source Android platform.

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Earlier analysis had led ground controllers in Houston and Moscow to suspect a Russian air-purifying apparatus as being the source of the leak.

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Vegetables that grow on the ground are more likely to be contaminated with bacteria, since runoff from animal waste is likely the source of contamination.

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