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Engineers work place to keep liquid heliumpreventive maintenance schedule checkingThailand peopleTechnicians and engineers discuss work together
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- petrochemical
- refinery
- oil refinery
- petroleum
- oil tank
- industrial plant
- industry
- chemical plant
- pipeline
- factory
- chemical industry
- manufacturing plant
- fuel tank
- gas
- industrial machine
- gas tank
- manufacturing
- pipe
- machine
- facilities
- factory machine
- food industry
- fuel
- engineering
- gasoline
- metal pipe
- engineer
- pollution
- factory worker
- industrial worker
- energy
- facility management
- construction industry
- construction
- steel
