Usoro griiz - Họrọ ntuziaka mmanụ lubrication - Jianhe
Usoro griiz na-eme ka mmanụ @ gwọọ akwụkwọ ntuziaka mmanụ - jinianhedetail:
Ihe onyonyo zuru ezu:

Ntuziaka Ngwaahịa metụtara:
"Dị mma, ịkwụwa aka ọtọ dị ka isi, na-akwado ya na uru anyị na-enyefe ụwa niile, yabụ, ọrụ mmepụta, ọrụ na ịkekọrịta, ụzọ na-aga n'ihu, ụzọ na-aga n'ihu". Nye anyị ohere anyị ga-egosipụta ike anyị. Site n'enyemaka gị, anyị kwenyere na anyị nwere ike ịmepụta ọdịnihu dị mma.