A tsunami is a series of waves caused by earthquakes or undersea volcanic eruptions. On Nov. 18, 1929, a magnitude 7.4 Mw earthquake occurred. south of Newfoundland along the southern edge of the Grand Banks, Canada. This illustration, called a Tsunami Time Travel Map, shows the arrival times of tsunami waves.
DATEM (diacetyl tartaric acid ester of mono-and diglycerides, also E472e) is an emulsifier primarily used in baking to create a strong gluten network in dough.n the USA, DATEM is generally recognized as safe by the Food and Drug Administration (FDA) as specified in the Code of Federal Regulations (21CFR184.1101). DATEM is approved by the European Food Safety Authority for use as food additive with the E number E472e.
Also known as: Perchloroethylene, Perc, PCE, PerSec, Tetranec. Chemical reference number (CAS): 127-18- 4. Tetrachloroethylene (PCE) is a nonflammable, liquid solvent widely used in dry cleaning, wood processing, fabric manufacturing, and metal degreasing.In homes, it may be found in suede protectors, paint removers, furniture stripper, water repellents, silicone lubricants, spot removers, glues, and wood cleaners.nformation. People are most often exposed to PCE when they use it in their work, when cleaning or doing hobbies. Breathing: PCE evaporates into the air. People are commonly exposed to PCE by breathing air containing its vapors. PCE can contaminate home air when people use cleaning solvents or other products.