Har'a lipetlele tse fetang 5,000 lefatšeng ka bophara ka ho aha, lipetlele li ile tsa nka karolo le e 'ngoe ea likoloto tse ntlehali tse amohetseng Ghana, Zambia & Philippina Ntle le moo, re ile ra khetha barekisi ba bangoli ba fanang ka likarolo, ba arolelana le merero ea naha ea li-aerospace, 'me ra netefatsoa ke SGS, Tuva le BV e le barekisi ba khauta
ka lits'ebeletso tsa rona tse felletseng.
