Ihlanganisa indawo engamamitha-skwele ayi-4,000, manje sinethimba labasebenzi abangaphezu kwe-15 elibhekele ngokukhethekile ibhizinisi lokuthekelisa, inani lokuthengisa laminyaka yonke elidlula i-USD 80Milllon ngo-2018, inani lemikhiqizo yensimbi engaphezu kuka-40,000 ye-metric ton ethunyelwa kwamanye amazwe, futhi njengamanje ithumela ngaphandle i-100% ukukhiqizwa kwethu emhlabeni wonke.