http://scutfromhare.livejournal.com/ ([identity profile] scutfromhare.livejournal.com) wrote in [community profile] engineering_ru 2017-02-20 09:58 am (UTC)

Круто. На кртинках показано, что надо держать спину в нейтральном положении, а не сгибаться в пояснице!!!
(31 comments)

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