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During the water washing operation very large static electricity charges can be built up in a tank. What precautionary measures should be taken to eliminate the hazard?

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Choose the correct answer 
 During the water washing operation very large static electricity charges can be built up in a tank. What precautionary measures should be taken to eliminate the hazard?

Accepted Answer

all equipment should be earthed or grounded

Answer

valves should be closed

Answer

protective clothing, including goggles, gloves and shoes should be worn

Answer

cargo tanks should be gas-free

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Choose the correct answer During the water washing operation very large static...

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