Why companies need to 'retire retirement' and start training their employees to work into their 80s

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Credit: 
art-photo
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Adobe Stock
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https://stock.adobe.com/uk/contributor/205314365/art-photo?load_type=author&prev_url=detail
Alt Tag: 
Portrait of two happy elderly women smiling and working with laptop computer at home. Retirement concept
Title Tag: 
Portrait of two happy elderly women smiling and working with laptop computer at home. Retirement concept