Palapye -- The Minister of Trade and Industry, Mr Tiroeaone Ntsima, has challenged local businesses to utilise domestic market as a testing ground to refine their products before venturing into the highly competitive global arena. Speaking at the inaugural Made in BW - Sold to the World Expo 2026 which was held at the Botswana International University of Science and Technology (BIUST) in Palapye on Thursday, Minister Ntsima emphasised that becom…