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GCSE Design and Technology · key term
Extra material or space deliberately provided for a later manufacturing process, such as sewing, trimming or sanding.
Used by AQA
Paper 1
Revise: Working with tolerancesAn allowance is extra material or space deliberately included for a manufacturing process. A seam allowance provides fabric between the stitching line and the cut edge so pieces can be joined without reducing the intended finished size.
Distinguish tolerance from allowance: tolerance is permitted variation; allowance is planned extra material or space.
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