Anssi B16.5 Liphoole tsa tšepe tsa tšepe li fumaneha maemong a khatello ho tloha ho 150 ho isa ho 2500, mme boholo ba phala bo tsoa NPS? ho NPS 24. Lisebelisoa tse lerootho tse nang le letsoai le se nang thuso tseo re li etsang tseo re li etsang re kopana le melao ea maeme. Re hlahisa limaraka tse fapaneng tsa li-steels tse fapaneng tse hlokang litšobotsi tse fapaneng tse lokelang ho sebelisoa likolong tse fapaneng.