A visit to the local Provost Unit, where examples of the various substances are kept for identification purposes; will be an instructive experience for any DO.
Ukundwendwela iyunithi yeProvost ekufutshane, apho imizekelo yeentlobo ngeentlobo igcinwa khona kwiinjongo zokuyichonga ingangamava afundisayo kuyo nayiphi iDO.