Mpɛn pii no, wɔde ahwehwɛ, plastic, ne dade na ɛyɛ nneɛma a wɔde ayɛ nkotoku a wɔatoto mu no. Ahwehwɛ abu so kɛse. Nneɛma a ɛyɛ papa no gyina atirimpɔw ne nneɛma a ɛsɛ sɛ wɔde hyɛ mu so titiriw.
1. Ahwehwɛ a wɔde akata so a ɛda adi: Ɛfata sɛ wɔde nnuan ahorow sie. te sɛ nufusu powder, asikre, nnuan nketenkete, ne nea ɛkeka ho mfaso horow no ne ɔhyew a ɛkɔ soro a ɛko tia, corrosion resistance, cleaning a ɛnyɛ den, impermeability, ne nnuru a ɛyɛ den yiye. Ɛyɛ ade a wɔatoto mu yiye a wɔde ahyɛ mu.
. Mfaso a ɛwɔ so ne corrosion resistance ne ɔhyew a ɛkɔ soro a ɛko tia, na hua biara nni hɔ. Ebetumi asiw nneɛma ahorow hua ano na ɛnyɛ den sɛ wode bedi dwuma.
3. Plastic sealed cans: Ɔhyew dodow a ɛwɔ hɔ-wɔde nneɛma a wɔde yɛ PET ayɛ nkankyee a ɛyɛ den, a ɛyɛ mmerɛw, bere a PP ne PC a wɔakata so no wɔ ɔhyew a ɛko tia no yiye. Sɛ aduan a ɛrehyew a, PC nneɛma no ye sen saa. Wɔde nneɛma a ɛnyɛ asiane biara mma onipa nipadua na ɛyɛ saa nkotoku yi.