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2. Pressure washing - Wikipedia

   en.wikipedia.org/wiki/Pressure_washing

   Concrete cleaning with a surface cleaner. There are 2 main types of pressure washers. Hot water pressure washers and cold water pressure washers. Each have their own purpose. [4] Hot water pressure washers are best for washing flatwork (concrete driveways, walkways, etc) that can have grease or oil residue. They are best to use when cleaning ...

3. Power screed - Wikipedia

   en.wikipedia.org/wiki/Power_screed

   Power screeds can be powered by gas, electricity or hydraulics. [citation needed] In concrete, prior to the mix drying, the concrete should be smoothed out on the desired surface. The compaction performance of the power concrete screed is mainly determined by the centrifugal force of the vibration force and only to a minor extent by the static ...

4. Driveway - Wikipedia

   en.wikipedia.org/wiki/Driveway

   On large estates, a driveway may be the road that leads to the house from the public road, possibly with a gate in between. Some driveways may be designed to serve different homeowners. A driveway may also refer to a small apron of pavement in front of a garage with a curb cut in the sidewalk, sometimes too short to accommodate a car.

5. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

6. Chemical drain cleaners - Wikipedia

   en.wikipedia.org/wiki/Chemical_drain_cleaners

   The reaction is exothermic, releasing heat to soften the fats. Drain cleaners can also contain aluminum, which reacts with sodium hydroxide to produce bubbles of hydrogen gas that help to break up the clog. [11] The pressure buildup by gas generation can cause weaker pipes to burst, [11] and the heat generation can also soften plastic PVC pipes.

7. Power trowel - Wikipedia

   en.wikipedia.org/wiki/Power_trowel

   Ride on power trowels range in size from 1.8 m (6 ft) machines weighing 270–320 kg (600–700 lb), up to 3.7 m (12 ft) machines weighing over 910 kg (2,000 lb). Power ranges from small 10 kW (13 hp) single cylinder engines, all the way up to 70 kW (100 hp) multi fuel V8 engines.