Leading German woodworking machinery manufacturer Martin has cancelled its participation in this autumn’s Ligna exhibition due to uncertainty over sufficient Covid-19 vaccination levels among its staff and customers by then.  The manufacturer of saws, moulders and planers said it had made the decision with a “heavy heart” to not attend Ligna on September 27- October 1.    Ligna is the world’s largest woodworking technology exhibition and attracts around 100,000 visitors to the biennial show.    Martin said it had already lost the opportunity last year to exhibit its ...