فرن للمعالجة المنجنيز
مطرقة كسارة وك 1210 AS 1210: Using the Work of a Specialist PCAOB. Footnotes (AS 1210 Using the Work of a Specialist): 1 Because income taxes and information technology are specialized areas of accounting and auditing, this section does not apply to situations in which an income tax specialist or information technology specialist participates in the audit.