Nsɛmfua nkyerɛaseɛ · bɛt
Soro / Fam
Sika pɛ bɛt wɔ 19–36 (soro nɔma, passe) anaa 1–18 (fam nɔma, manque) so.
Sɛdeɛ wɔde di dwuma
Ɛtua 1:1, 48.65% hokwan sɛ wobɛdi nkonim. Wɔ ntwahonan no so no, soro nɔma ne fam nɔma sesa, enti bɛt no nkata ɔfantwahonanƆfaNtokuru a ɛtoa so wɔ ntwahonan no so, a ɛnyɛ kuo a ɛwɔ bɛt nhyehyɛe no so.Kenkan ne nyinaa → biara so.
Na wonim
Manque (“ɛyera”) ne passe (“ɛtwa mu”) kyerɛ sɛ bɔɔlnneɛma a wɔde diBɔɔlBɔɔl ketewa a wɔto no ma ɛtu mmirika wɔ ne kwan mu tia rotor no. Ɛnnɛ bɔɔl yɛ ivorine anaa Teflon, 18–21 mm.Kenkan ne nyinaa → no antumi anaa ɛtumi twaa 18 mu.