ALAN PEAT FIVE PRODUCT categories have been responsible for the increases in both imports and exports in March. Main drivers in the gain in imports (up 7.89%) were: mineral products (R2 067-million); precious and semi-precious stones and metals (R357-m); machinery, mechanical appliances and electrical equipment (R1 945-m); and vehicles, aircraft and vessels (R2 150-m). The 13% increase in exports, meantime, came from: mineral products (R1 237-m); products of the chemicals or allied industries (R326-m); precious and semi-precious stones and metals (R742-m); and machinery, mechanical and electrical appliances (R456-m).