Some allow you to add riders to cover extras like the mechanical elements of a pool system or hot tub.

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It makes sure that the mechanical elements of Orion will work well with the people who are putting them together.

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The car was unveiled amid an advertising blitz in 1957 in which Ford trumpeted its innovative design and mechanical elements, and projected sales of 200, 000 a year or more.

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While retaining the same smooth AF motor (SAM) as its predecessor, newly-designed rear lens elements suppresses flare and ghost, while mechanical elements have been upgraded for more positive, comfortable operation.

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Here, the 808 PureView delivers again with an autofocus prime lens made by Carl Zeiss that features five aspherical glass elements (in one group) and a mechanical shutter.

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