Answer:
1.the setting out of a building sites,denoted also as layout process,is the procedure that ensures each element of the works(e.g.building corners,wall lines or boundaries)is constructed in the right position and to correct level from location information provided by design plans.
2.because right angle give us a convenient system of orthogonality.and the most important reason for installing fencing on your property is security.
Explanation:
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