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2. Calcium magnesium acetate - Wikipedia

   en.wikipedia.org/wiki/Calcium_magnesium_acetate

   Calcium magnesium acetate (CMA) is a deicer and can be used as an alternative to road salt.It is approximately as corrosive as normal tap water, and in varying concentrations can be effective in stopping road ice from forming down to around −27.5 °C (−17.5 °F) (its eutectic temperature [1]).

3. Soft washing - Wikipedia

   en.wikipedia.org/wiki/Soft_washing

   Soft washing is a cleaning method using low pressure water. More recently, the term "softwashing" has been used to describe any form of spraying chemicals at buildings where solutions (typically sodium hypochlorite based softwashing chemicals) are used to remove mildew, bacteria, algae and other organic stains from roofs and other building exteriors.

4. Snow removal - Wikipedia

   en.wikipedia.org/wiki/Snow_removal

   Designated sites are sometimes required to prevent water and ground pollution because the snow collected on roads typically contain a variety of grit, de-icing chemicals, vehicle fluids, engine emissions, and litter. Some pollutants become diluted and wash away with the melt-water and some concentrate at the dump site. [20]

5. Deicing - Wikipedia

   en.wikipedia.org/wiki/Deicing

   An Aeroflot Airbus A330 being deiced at Sheremetyevo International Airport Econ Salt Spreader. Deicing is the process of removing snow, ice or frost from a surface. Anti-icing is the application of chemicals that not only deice but also remain on a surface and continue to delay the reformation of ice for a certain period of time, or prevent adhesion of ice to make mechanical removal easier.

6. Sodium acetate - Wikipedia

   en.wikipedia.org/wiki/Sodium_acetate

   A supersaturated solution of sodium acetate in water is supplied with a device to initiate crystallization, a process that releases substantial heat. Solubility from CRC Handbook Sodium acetate trihydrate crystals melt at 58–58.4 °C (136.4–137.1 °F), [ 12 ] [ 13 ] and the liquid sodium acetate dissolves in the released water of ...

7. Rain gutter - Wikipedia

   en.wikipedia.org/wiki/Rain_gutter

   Finlock concrete gutter units are made up of two troughs – one is the visible gutter and the other sits across the cavity wall. The blocks which can range from 8 to 12 inches (200 to 300 mm) can be joined using reinforcing rods and concrete , to form lintels for doors and windows.

8. Trench drain - Wikipedia

   en.wikipedia.org/wiki/Trench_drain

   Suspending the form inside the trough (and flush with the surface elevation), such that there is space (6 inches (150 mm) or more) below and to each side of the form; Attaching the drainage pipes to the suspended form; Filling the trench with concrete (surrounding the form base and sides) and finishing the concrete flush with the metal frame;

9. Levis De-Icer - Wikipedia

   en.wikipedia.org/wiki/Levis_De-Icer

   The Levis De-Icer can use a maximum power of 250 MW; its operation voltage is ±17.4 kV. It can be used on multiple 735 kV AC power lines . When there is no icing, the Lévis De-Icer installed at Hydro-Québec 's Lévis substation 46°42′17″N 71°11′39″W  /  46.70472°N 71.19417°W  / 46.70472; -71.19417 , south of Quebec City ...