$SINGAPORE TECH ENGINEERING LTD(S63.SI)$SINGAPORE Technologies Engineering (ST Engineering) posted on Friday a 14 per cent fall in net profit for the half year ended Dec 31 to S$264.4 million from S$308.6 million a year ago.Revenue for H2 FY2020 also slipped 18 per cent to S$3.6 billion from S$4.4 billion. ST Engineering said this was largely due to Covid-19, which led to a reduction in customer demand, supply chain challenges and workforce disruption.Earnings per share for the full year was also lower at 16.74 Singapore cents, down from 18.53 cents last year.Net profit for the full year fell 9.7 per cent, to S$521.8 million from S$577.9 million, while revenue for FY2020 dipped 9 per cent to S$7.16 billion from S$7.87 billion the previous year.