Staple okun ojuomi abẹfẹlẹ

Pipin awọn okun sintetiki lile nilo lile lile ati resistance abrasion. Awọn abẹfẹlẹ carbide ti a ṣe agbekalẹ ni pataki ṣe koju awọn ipa ipa-giga lati ṣetọju eti didasilẹ nipasẹ awọn miliọnu awọn gige.