(1) Tupu iji
nkpa olu, jiri nlezianya lelee ikike ọ nwere, ma ọdịdị ahụ ọ nwere nkwarụ ma ọ bụ mebiri emebi, yana ma njikọ njikọ ahụ emebighị iji gbochie nsogbu.
(2) Ntuziaka nke ike nke
nkpa olukwesịrị ịdị mma iji gbochie ya ịnweta ike n'akụkụ.
(3) When connecting ropes or rings, one should be set on the horizontal pin and the other should be set on the bend ring. It is not allowed to set on the two straight sections of the nkpa olu respectively.
(4) Mgbe arụchara ọrụ mbuli ahụ, wepu ya n'oge, tinye ntụtụ obe n'ime mgbanaka gbagọrọ agbagọ, wụnye akụ ahụ. A machibidoro iwu ịtụfu
nkpa olugbada site na ebe dị elu iji gbochie ya ka ọ ghara irekasị ma mebie mmebi mgbawa n'ime, na ịhụ na ọ gbabeghị.
(5) Akụkụ nwere eriri nke
nkpa olukwesịrị ịdị na -ete mmanụ mgbe niile iji mee ka ọ bụrụ mmanụ nke ọma na ọ bụghị nchara.
(6) Mgbe ejiri ya, chekwaa ya na ebe kpọrọ nkụ, were bọọdụ kechie ya, ma debe ya nke ọma.
(7) It is not allowed to use nkpa olus with horizontal pins without threads. When it is necessary to use them, safe and reliable measures must be taken to prevent the horizontal pins from slipping out and causing accidents.