How to lay wooden beams.1. place the antenna in front of the mast and to save half of the thickness of the beam.2. place the beam along the length of the interval, but in cases where there are several ranges of unequal interval to consider another example consists of.3. beam antenna in the middle range are often used to address a pair of beams, because the weight is 2 times the thickness of the rim, but the antenna beam down a little.
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