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2. How To Use Ice Melt (Without Destroying Your Driveway) - AOL

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3. Cement accelerator - Wikipedia

   en.wikipedia.org/wiki/Cement_accelerator

   Calcium chloride (CaCl 2) is the most efficient and least expensive accelerator [4] and was formerly very popular. However, chloride anions are very corrosive for the steel of the reinforcement bars (rebars) so its use is no longer recommended [ 5 ] and in many countries actually prohibited.

4. Calcium magnesium acetate - Wikipedia

   en.wikipedia.org/wiki/Calcium_magnesium_acetate

   Calcium magnesium acetate (CMA, with chemical formula C 12 H 18 CaMg 2 O 12 [1]) 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 ...

5. Snow removal - Wikipedia

   en.wikipedia.org/wiki/Snow_removal

   Some individual buildings may melt snow and ice with electric heating elements buried in the pavement, or even on a roof to prevent ice dams on the shingles, or to keep massive chunks of snow and dangerous icicles from collapsing on anyone below. Small areas of pavement can be kept ice-free by circulating heated liquids in embedded piping systems.

6. 12 Risky Mistakes to Avoid When Shopping on Craigslist and ...

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   6. Bait and Switch. You may think you got a great deal on a brand-new iPhone or other device, only to find out you've gotten a late model phone or worse, a heavy box — and the money has already ...

7. Snowmelt system - Wikipedia

   en.wikipedia.org/wiki/Snowmelt_system

   A heated sidewalk in Holland, Michigan Installation of a geothermal snowmelt system on a street in Reykjavík, Iceland.. A snowmelt system prevents the build-up of snow and ice on cycleways, walkways, patios and roadways, or more economically, only a portion of the area such as a pair of 2-foot (0.61 m)-wide tire tracks on a driveway or a 3-foot (0.91 m) center portion of a sidewalk, etc.

8. Concrete degradation - Wikipedia

   en.wikipedia.org/wiki/Concrete_degradation

   Chlorides, particularly calcium chloride, have been used to shorten the setting time of concrete. [5] However, calcium chloride and (to a lesser extent) sodium chloride have been shown to leach calcium hydroxide and cause chemical changes in Portland cement, leading to loss of strength, [6] as well as attacking the steel reinforcement present ...

9. Calcium chloride - Wikipedia

   en.wikipedia.org/wiki/Calcium_chloride

   Calcium chloride was apparently discovered in the 15th century but wasn't studied properly until the 18th century. [11] It was historically called "fixed sal ammoniac" (Latin: sal ammoniacum fixum [12]) because it was synthesized during the distillation of ammonium chloride with lime and was nonvolatile (while the former appeared to sublime); in more modern times (18th-19th cc.) it was called ...