1. The Root Cyclone technology in Dyson vacuum cleaners separates dirt and dust from the air by centrifugal force and collecting it in a bin.
2. Officials said it is necessary to build more such facilities to decrease roadway dust and dirt and control illegal dumping of construction wastes.
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3. It descended on parachutes and then hit the ground in a jarring puff of dust and dirt.
4. Sweeping the dust and dirt off the old year from our floors to make way for the new year was also observed.
5. His face and maroon robe were covered with dust as strong winds carrying dirt from the mountains.
6. Resistant to dust and dirt, the bank notes can be washed in soap and water without being damaged.