A plunger gets rid of the dirt particles.

Dirt particles with an extremely reduced contact area are picked up by water droplets and are thus easily cleaned off the surface.

These are vessels designed to remove any free liquids or dirt particles from the gas before it enters the compressors.

For this reason fewer dirt particles cling to the surface and also can be washed off far easier.

Hybrid cyclonic filtered systems have been made, which use a rudimentary cyclonic motion to separate out larger dirt particles, but rely on conventional filter bags to trap remaining finer particles.

He spun in mid-flight and thumped onto a dirt path 20ft away.

I was walking down a dirt path one morning and stepped on a landmine.

A dirt path at a right angle leads you to the main path to the peak.

At around 2.3 mi, the gravel road comes to an end, and the trail becomes a rugged dirt path.

The course follows a steep incline up a hill on a stepped dirt path, which then loops back on to downhill section.

It was originally created as a dirt race for juveniles in 1977.

It has a 2,200 metre left-handed dirt race track and a left-handed turf course of the same distance.

The trails are believed to be located on what used to be a dirt race track, and in some places along the trail there remain concrete foundations.

However, the three dirt races are unaffected.

Through the 1960s, as superspeedways were built and old dirt tracks were paved, the number of dirt races was reduced.

He often flies down the dirt trail, hands off the brakes, clicking as fast and as loud as he can.

They took me down the dirt trail.

Prior to that all access was either by the railroad or a dirt trail.

The road was in reality little more than a dirt trail that became one of the first numbered roads in the state.

The falls are accessed by a one-mile, well maintained, dirt trail through old-growth lowland forest consisting of fir, cedar, hemlock, and alder trees.

Brush off any loose dirt, then wash pots and trays in diluted disinfectant solution.

Brush off loose dirt, then wash pots and trays, and soak canes and labels, in diluted sterilising solution (some patio cleaning products are also suitable for this).

Repeat until you've removed as much loose dirt as possible.

Start by dry-brushing with a stiff-bristled brush to remove loose dirt.

Tornadoes have varied in strength, and some tornadoes have been mostly invisible due to a lack of loose dirt or debris in the funnel cloud.

People with no fear of a hot sun who can shovel dirt all day long.

There were also singers shovelling dirt from one side of the hall to the other.

The forelimbs of moles are highly adapted for digging, with powerful claws, and the paws turned permanently outwards to aid in shovelling dirt away from the front of the body.

One member of the two person team shovels dirt, which usually comes from the building site, placing it into the tire one scoop at a time.