Description

• Product usage: Use environment: Tests were implemented at a temperature of 23 ° 2 C and a relative humidity of 50 ° 5%RH Pencil: Use a penknife to take away about 5-6MM of wooden from one finish of every pencil, operating intently to go away a smooth, unscratched, cylindrical lead Hold the pencil vertically and preserve it at a 90° Angle from the sandpaper Move the pencil back and forth at the sandpaper, smoothing the lead tip at a correct Angle Keep shifting the pencil until you've got a smooth, around go section without a chips or nicks at the edges Repeat this step earlier than every single use of the pencil

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