a) Hamwe nigikoresho gifasha kugirango umutekano uhagaze neza
b) Hamwe nimbaraga nyinshi zubuhanga bwa plastike barbell tube ikingira.
c) Hamwe nuburyo bwo kugabanya umutekano wabatoza.
d) Hamwe nibyiciro byinshi FOAM ihindura, irashobora guhindurwa muburyo butandukanye kugirango abantu babone ibyo bakeneye.