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Its analytical balance which are accurate and precise instruments to measure weight system.Its also require a draft-free location on a solid bench which is free of vibrations.Modern weighing balances which have built-in calibration weights to maintain its accuracy.

Drilling holes competition which is never stopped for very windy conditions,weighting and tuning boomerangs which has become an art.In addition, as throwers which have become more sophisticated also have developed innovative tuning techniques to adjust and fine tune the flights of their boomerangs.