
Important note: the use of detergents may be hazardous (flammable and/or toxic).
The following recommendations should be followed when using them:
You can always contact a professional for advice on dosages and using these products.
The information below is based on recommendations made by the CSTC (Centre scientifique et technique de la construction, i.e. the Scientific and Technical Building Center) and from our own experience.

| CAUSE | REMEDY |
|---|---|
| Coffee or tea | Ammonia or hydrogen peroxide mixed with water |
| Polish | Gasoline on cleaning cotton |
| Colorant | Bleach |
| Jam | Hydrogen peroxide mixed with water |
| Ink, pen marks, pencil | Disinfectant alcohol, hydrogen peroxide |
| Fruit | Hydrogen peroxide, acetone |
| Oil, grease | Gasoline on cleaning cotton |
| Lacquer | Acetone |
| Latex or acrylic paint | Bleach |
| Oil-based paint | Trichlorethene |
| Rust | Alcohol and rubbing alcohol |
| Blood, grass, water-based paints | Ammonia, hydrogen peroxide |
| Urine | Potassium bromide solution (hazard) |
| Wine | Disinfectant alcohol, bleach |
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Sedimentary rocks are the result of the accumulation and compacting of mineral debris (i.e. other stones), organic debris (animal remains and vegetation, fossils), or chemical precipitation.
They are exogenous rocks, i.e. rocks which are formed on the surface of the Earth. Sedimentary rocks are present on 75% of the surface of the Earth's continents, but when considering its crust as a whole (from the surface to a depth of 22 miles (35 km)), they only represent 5% of its total volume.
The main sedimentary rocks are:
SOURCE: Wikipedia
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