"[lb_av].[ft_i]-1.s-1"^^ . . . "K68" . "Pound per Foot Second"@en . . . . . . . . "1.488163943569554"^^ . "\"Pound per Foot Second\" is an Imperial unit for 'Dynamic Viscosity' expressed as \\(lb/(ft-s)\\)."^^ . "lb/(ft\u22C5s)" . "\\(lb/(ft-s)\\)"^^ .