
— The output of limestone – a key raw material for the steel industry - was also lower at 9.6 million MT (worth RO 15.091 million), down from 14 million MT in 2018 (valued at RO 15.7 million). However, gypsum production inched upward to 10.663 million MT (worth RO 21.4 million), up from 9.66 million MT (RO 23.34 million).