Workers at Italy's loss-making airline Alitalia will vote over the period April 20-24 on the preliminary agreement reached last Friday over job and pay cuts necessary to keep the airline in business, unions said on Tuesday. A vote in favour is needed to unlock a financing package worth some E2b ($2.1b), including an emergency cash injection of E400m to keep it afloat if the rescue plan does not work as expected. Last week the company and unions agreed to trim the scale of lay-offs among ground staff to around 1,700 from 2,037 previously envisaged, and reduce cuts to flight personnel wages to 8% from up to 30%. Alitalia said last month it expected to return to profit by the end of 2019 by making 1 billion euros worth of cost cuts over the next three years and revamping its business model for short and medium-haul flights. <br/>