Rio Tinto to ship less iron ore in 2021 due to labour squeeze 15 October 2021 Australian miner faced difficult quarter operationally and sees room for improvementAuthor: Capt. Johnhttps://www.tradewindsnews.com/bulkers/rio-tinto-to-ship-less-iron-ore-in-2021-due-to-labour-squeeze/2-1-1082829