https://www.reuters.com/article/us-southkorea-japan-labourers/japan-allows-further-exports-of-high-tech-material-to-south-korea-idUSKCN1V91Z4 >Japan has approved shipments of a high-tech material to South Korea for the second time since imposing export curbs last month, two sources said, ahead of talks by government officials this week to resolve a dispute stemming from their wartime past.