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Why are cross marks made on glasses during construction?

April 26, 2017Construction cross Education glasses India marks Other - Education Reference

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Why are cross marks made on glasses during construction?

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Glass can be invisible, especially to people who are busy or not paying attention. They make the cross marks on it to signal that there’s glass there, so people don’t accidentally walk through clear glass panes. It’s either that or the construction workers are giving it a blessing.