A Chinese restaurant chain in the north west of England has been forced to make use of robotic waiters, after struggling for staff during the Covid pandemic.Directors at The Chinese Buffet unleashed one BellaBot in each of four restaurants in Liverpool, St Helens, Bolton and Wigan, to serve food to diners.u00a0When the buffet re-opened after the last lockdown, its owners decided to serve food to people at the table, ordered via an app, rather than allow them to serve themselves.This added an extra strain on the already short waiting staff, according to owners Paolo Hu and Peter Wu, who said...