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Spray only in an area free of drafts. Drafts create overspray. Overspray is not visible, but it does result in a rough surface that can be fixed only by a final sanding with fine-grit #320 or #220 sandpaper

2 Answers 2

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Check the definitions for draught, some are spelled "draft" in the US.

In this case,

A draught is a current of air that comes into a place in an undesirable way.

3

From Merriam-Webster, the 11a definition of draft:

a current of air in a closed-in space

If you are spraying something, the particles flow in a certain direction, but if there is wind blowing nearby, they will flow in another direction.

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