(1) (a) How many crude oil reservoir tanks are at (i) Milnerton, (ii) Saldanha and (iii) the Port of Durban, (b) what are their capacities and (c) who currently manages these facilities; (2) whether the reservoir tanks at these facilities are currently being utilised; if not, why not; if so, at each facility (i) by whom and (ii) how much crude oil is currently stored; (3) whether the blending of crude oil takes place at these facilities; if not, why not; if so, what are the relevant details?