Dagga smoke has a distinctive smell and a DO who has never encountered this particular drug, should arrange for a demonstration by the SAP or Naval Police in order to learn to recognise the smell.
Umsi wentsangu unevumba elohlukileyo kwaye iDO engazange yadibana nesisiyobisi mayicwangcise umboniso yiSAP okanye amapolisa omkhosi ukuze bazofunda ukwazi ivumba elo.