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| # | Letters of Interpretation |
|---|---|
| 1 | - 1910.244(b) - Whether an abrasive blast cleaning nozzle can use a mechanical device to keep the valve in the open position. |
| 2 | - 1910.244(b) - Abbrasive blast cleaning nozzles must be equipped with a "dead-man" control. |
| # | Regulations |
|---|---|
| 1 | - - Other portable tools and equipment. |
