Nneɛma a ɛwɔ afiri a ɛyɛ nwini a ɛda hɔ gyina hɔ nyinaa mu .

1. a wɔde di dwuma kɛse wɔ rotor die casting mu, dodow no ara yɛ mfiri nketewa ne nea ɛwɔ mfinimfini.

2. Afiri a ɛyɛ nwini a ɛda hɔ a ɛyɛ pɛpɛɛpɛ no kata beae ketewaa bi so sen mfiri afoforo a wɔde casting casting a ɛwɔ tonnage koro no ara mu, nanso ne sorokɔ no korɔn.

3. Sɛ dadeɛ nsuo no hyɛne nkukuo no mu a, ɛdannan no sua, adeyɛ no yɛ tiawa, na nhyɛsoɔ a ɛyera no sua.

4. Sɛ worehwie dadeɛ nsuo agu mu a, ɛho hia sɛ wobɛtwa nkuruwankuruwa a ɛpaapae mu no, na ahwɛ sɛ nsuo a ɛtɔ gu nsuo mu no rentɔ nsuonwini a ɛpaapae mu no so.

5. Injection mechanism no wɔ aseɛ ha, enti ɛnyɛ mmerɛw sɛ wobɛsesa nhyɛsoɔ dan no na woahwɛ so.