1. Nabata ihe na-egbochi ire ọkụ, nkwa nchekwa, ihe mgbochi nchara na ihe mgbochi uzuzu.
2. Nwere bọtịnụ PC, mgbanaka silicone na-anaghị egbochi mmiri, arụmọrụ dị elu, siri ike ma bụrụ nke a pụrụ ịtụkwasị obi.
Enwere ike itinye ngwaahịa a n'ọrụ na njem, ngwa nchekwa, ngwa ụlọ, ngwa ahụike, ihe mmalite, ụlọ ịsa ahụ, njikwa ohere.