Blow with air to clean dust after rubbing with sand paper
It is effective to blow away any dust on a surface with compressed air. Hold air rubber hose over 100-200mm high from the surface, and wave it to blow away dust.
Note: Don't touch the surface, which is rubbed by sand paper, with the front end of the hose, or the surface will be injured. If you hold the very front end of the hose, you cannot wave it up and down, and the dust-cleaning effect will be no good.
Top answer
Jobb, I'm sure you can sort out the few little errors. One point: inanimate objects cannot be injured. The surface may be 'damaged'.
— Nona the brit
Jobb, I'm sure you can sort out the few little errors.
One point: inanimate objects cannot be injured.
The surface may be 'damaged'.
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The first sentence needs changing a bit. You do not clean dust - unless you want very clean sparkling dust there. You clean away dust or remove dust, you do not clean the actual dust.
There is a slight tautology in your first paragraph, as 'blowing' involves air. You could say:
'Blow away any dust after rubbing with sandpaper.'
In your second paragraph, you would want an imperative in the first sentence, to match the style of the second. In this kind of writing, you usually use short sentences: