a) Ndozi elu elu ụkwụ iji gboo mkpa ọzụzụ nke ndị dị iche iche.
b) Ergonomic imewe ejiri mee ka ọnọdụ ọzụzụ ahụ dịkwuo mma.
c) Na elu ike engineering plastic barbell tube mkpuchi mkpuchi.
d) Site na usoro mmachi iji hụ na nchekwa nke onye na-enye ọzụzụ.