15 16 17 AdcockIngram Products Ltd v Beecham SA (Pty) Ltd 1977 (4) SA 434 (W) at 439EH [also reported at [1977] 4 All SA 657 (W) Ed]. Blue Lion Manufacturing (Pty) Ltd v National Brands Ltd 2001 (3) SA 884 (SCA) para [9] [also reported at [2001] 4 All SA 235 (SCA) Ed]. Para [8].