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Engineering, 03.11.2020 19:10 colemanjosiah03

Which of the following is a true statement? Mechanical pencils are used before drawing pens
O A radiograph pen is used to draw lines with different thicknesses
Mechanical pens use thick lead
O A radiograph pen is used before a mechanical pencil

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Which of the following is a true statement? Mechanical pencils are used before drawing pens
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