Re ikemiselitse ho fana ka theko ea tlholisano, boleng ba lihlahisoa tse ikhethang, hammoho le ho tsamaisoa ka potlako bakeng sa lehong la Strata,Khalemelo e phahameng,Ho hanela Metsi a Fokotsa,:,Tepe e phahameng ea mocheso. Re ikemiselitse ho ntlafatsoa ha taolo e tsoelang pele, ho nchafatsoa ha taolo le boqapi ba 'maraka le' maraka oa 'maraka o mongata, ho fana ka boqapi bo felletseng ka melemo ena,' me re lula u ntlafatsa melemo ea litšebeletso. Sehlahisoa se tla fana ka lefatše lohle, joalo ka Europe, Amerika, Australia, Dabai, Makhotla a Borithane, a tsamaisa chelete e ngata, a etsa hore tebello ea limpho e tsoang linaheng tsohle le libaka tseo.