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0.000000000700 dunams is about as big as a Ballpoint Pen Tip.
(a.k.a. Biro, a.k.a. ball pen, a.k.a. dot pen) (for medium tip)
The most common size of ballpoint pen — a medium-tip — measures 0.000000000700 dunams. A typical ballpoint pen can write more than 8,500 m (28,000 ft) before running out of ink.
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