The STUC has said some bosses are playing “fast and loose” with workers’ safety amid the coronavirus emergency.The unions say clearer rules are needed over just what is essential and non-essential work - and suspect some companies want to gain an “immoral competitive advantage” over rivals who are doing the right thing.It comes after the Daily Record highlighted cases of bosses appearing to flout laws over what work should carry on and what precautions should be in place.We revealed how Shokat Mobarik of Premier Housewares told his workers the issue has been “blown out of proportion” and told his Glasgow workers to “eat beans” to beat the virus.The furniture firm later apologised and said it has “robust” safety measures in place.And we told