กู๊ดบรัช ผู้เชี่ยวชาญด้านแปรงอุตสาหกรรม แปรงอุตสาหกรรม สมุทรปราการ Parallel for the brushing course can be a pattern of unidirectional strains that generate the distinct brushed metal finish appear. This method can even be called the mechanical polishing process. View PDF catalogues as well as other online documentation Because brushing is a maximum precision method, https://beediadiamond.com/catalog/polishing-brush