Terms containing primary grade release source

Subject	English	Russian
O&G, tengiz.	primary grade release source	источник утечки первой степени (IP 15 section 5.4.6 Aiduza)
O&G, sakh.	primary grade release source	источник выбросов первой степени
O&G, tengiz.	source of primary grade release	источник утечки первой степени (Aiduza)