Providing quality assurance services in the field of petroleum products and equipment, petroleum drilling products and equipment, petroleum refining products and equipment, and petroleum exploration products and equipment; developing safety and quality standards in the field of the petroleum and natural gas industry; testing, analysis, inspection, and evaluation of petroleum exploration, drilling, exploration and refining equipment and products and services of others for the purpose of certification

'analysi':45 'assur':3 'certif':67 'develop':29 'drill':14,52 'equip':12,17,22,28,56 'evalu':48 'explor':25,51,53 'field':7,36 'gas':42 'industri':43 'inspect':46 'natur':41 'other':62 'petroleum':9,13,18,24,39,50 'product':10,15,20,26,58 'provid':1 'purpos':65 'qualiti':2,32 'refin':19,55 'safeti':30 'servic':4,60 'standard':33 'test':44

Q2

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