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5, 2015, asia, background, blue, cloud, construction, crane, crude, drill, drilling, energy, environmental, factory, fuel, gasoline, greenhouse, horizontal, industrial, industry, job, malaysia, management, materials, natural, occupation, ocean, offshore, oil, petrol, petroleum, platform, pollution, power, production, raw, resources, rig, risk, safety, sea, sky, source, southeast, structure, technology, vacancy, water, wave,