a) Tokiso ea bophahamo ba lepara la leoto ho fihlela litlhoko tsa koetliso tsa batho ba fapaneng.
b) Lisebelisoa tsa moralo oa ergonomic li etsa hore boemo ba koetliso bo be bonolo haholoanyane.
c) Ka matla a phahameng a boenjiniere ba polasetiki ba "barbell tube" sekoaelo se sireletsang.
d) Ka mokhoa o fokolang oa ho netefatsa polokeho ea mokoetlisi.