Lihlopha tsa rona tsa tekheniki le tsa indasteri li fana ka letamo la boitseanape ho u tšehetsa ho hlalosa morero oa hau oa ho paka likhalase le ho netefatsa tšebelisano e phethahetseng lipakeng tsa liphutheloana tsa rona le lihlahisoa tsa hau le lits'ebetso, tse netefatsang katleho ea rona e arolelanoang.
Re fana ka lits'ebeletso tsa ho paka hang-hang, tse tšehelitsoeng ke litsebi tsa ho paka le lilemo tse fetang 30 tsa lipatlisiso indastering ea likhalase.
Ts'ebeletso e 'ngoe le e' ngoe e entsoe ka mokhoa o ikhethileng, 'me o tšehetsoa ka hloko molemong o mong le o mong oa ts'ebetso, ho tloha ho moralo oa pele oa sehlahisoa ho isa lits'ebeletso tsa morao-rao tse thehiloeng ke Roetell ho fana ka maikutlo a boleng.
