* Over time, stains, often colourless, age and discolour
fabric.
* Food stains can attract insects.
* Sugary stains created by spilt alcohol and soft drinks,
may dry clear, but over a period of time can turn brown
and if left untreated are impossible to remove.
* Perspiration stains and body oils can oxidise and turn
yellow.
* Exposure to light can discolour, damage and weaken the
material.
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