Sekala sa 'maraka oa liheke tsa ka tlas'a metsi 2021-2028 Oliver valve, BEL valve, valve ea oli
Tlhahlobo ea 'maraka oa li-valve tsa mebaraka ea lefats'e ka bophara, sekhahla, kabelo, kholo, litloaelo le likhakanyo, tlaleho ea 2021-2027 e fana ka tlhahlobo ea mmaraka oa li-valve tsa likepe tse tsamaeang ka tlas'a metsi ho tloha 2021 ho isa 2028, tseo 2020 ho isa 2027 e leng nako ea ponelopele, ho nahanoa ka seo. 201...
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