We're a acquiring a building that had a large computer room built in it. It has raised floors and two Liebert AC units. One is on the south wall, in the middle. The other is on the west wall, south ...
Shopping for camera lenses can be daunting. It’s easy to get caught in a whirlwind of f-stops, zoom ranges, and of course, price. But there is one lens spec that is often overlooked, but can have a ...
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