Ka lilemo tse ngata, lihlahisoa tsa rona li 'nile tsa sebelisoa haholo masimong a boenjiniere ba malapeng ho kenyeletsa ts'ebeliso ea merafo, taolo ea noka le kaho ea boema-kepe,' me li boetse li romelloa ka bongata linaheng le libakeng tse nang le tlhokahalo e matla ea merero ea ho boloka liminerale le metsi a kang Asia Boroa-bochabela, Afrika, Asia Bohareng, Amerika Boroa le Oceania, ho sebeletsa likete tsa bareki malapeng le linaheng tse ling. Re itšetlehile ka theknoloji ea tlhahiso e hōlileng tsebong le boemo bo nepahetseng ba 'maraka, thepa ea rona e bolokile boemo bo ka sehloohong indastering ka ho ikamahanya le maemo ho phahameng, botsitso bo babatsehang le ts'ebetso e phahameng ea ts'ebetso. Re hapile thoriso e phahameng le litaelo tse pheta-phetoang ho tsoa ho bareki ba lefats'e, 'me re fihletse tsoelo-pele e tsitsitseng' marakeng oa machaba oa lisebelisoa tsa merafo le tsa ho hula.
