Union ceasefire over waterfront strike - afr.com- mua tay sanitiser melbourne ,Sep 19, 2020·MUA national secretary Paddy Crumlin has disputed the action was damaging the economy, saying its work bans and go-slows were only ever going to last five minutes at a time.Union ceasefire over waterfront strike - afr.comSep 19, 2020·MUA national secretary Paddy Crumlin has disputed the action was damaging the economy, saying its work bans and go-slows were only ever going to last five minutes at a time.