dust testの例文

• There were three extreme dust tests performed in 2007.
• The full-size M16 rifle had a total of 61 stoppages during the same extreme dust test.
• The workers don't want to lose their jobs, so they are willing to cheat on dust tests.
• But the newspaper's reporter found that dust tests routinely are being distorted to show the mine air is clean.
• HUD requires a dust test for " clearance " at the end of any remodeling or repainting job be performed by a third-party professional who is independent of the entity performing the work.