P210 CEEFAX 210 Mon 10 Nov 21:12/47     ]  Engineering union leader Mr Gavin Laird says unions and employers must jointly tackle Britain's industrial problems. Mr Laird, of the Amalgamated Engineering Union, was the first union leader to address a conference of the employers' organisation, the CBI. "Our joint challenge is how to enlarge the national cake, after which we can negotiate our respective share" hj said The conference later agreed to press for concerted action to arrest damage to Britain's competitiveness abroad caused bz rising labour costs. News index 102/202 Newsreel 119/219