Writing lines as a punishment should be made illegal. Its a physical way of teaching children to do things and also causes strain on the hand. Instead a diffrent approach should be taken. Such as a course like lesson should be delivered and notes should be taken instead.
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In detention many students may be given lines to write out and this is a physical way of punishing a child. Physical punishment should be illegal. Also it may be given as homework and this is time wasting as the child could be getting in with actual work that could benifit them.