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| Which of the following practices is considered to be safe for the handling and use of compressed gas cylinders? |
| A) Using oxygen as a substitute for compressed air for pneumatic tools. |
| B) Cracking the valve on a hydrogen cylinder to clear dust and dirt. |
| C) The storage of the cylinders in a well ventilated compartment. |
| D) Routinely greasing or lubricating the valves on oxygen cylinders. |
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| Comments |
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| dm1989 - 2015-03-08 21:42:54 Member (15) |
| Whatever they are saying in the past no longer goes with this question FYI |