Guide urges Met Police officers not to 'prattle on ' in their messages . 'Check your email for mistakes ' among the more obvious pieces of advice . Top 31,000 list was published in the latest edition of staff magazine The Job .
Guide urges Met Police officers not to 'prattle on ' in their messages . 'Check your email for mistakes ' among the more obvious pieces of advice . Top 10 list was published in the latest edition of staff magazine The Job .