(1)(a) By which date are the Gibela-built trains scheduled for delivery and (b) what number of the specified trains will be delivered;
(2) whether the trains have been tested; if so, (a) on what date(s) and (b) what problems have been identified;
(3) whether the trains can be used; if not, why not; if so, by which date;
(4) whether the trains need any modifications for South African conditions; if so, what modifications;
(5) in terms of the total number of trains to be delivered by Gibela, (a) is the price fixed to the total number of contracts or fixed to the delivery date and (b) is any hedging in place?