Quick Answer. HowStuffWorks explains that food poisoning often occurs when a person eats spoiled food. Common symptoms of food poisoning are stomach pain, diarrhea, nausea, vomiting and cramping.
Confusion continues over coolant colors for cars. Of course, there is still the good old green stuff, but there is also orange, yellow (gold and amber), red, pink, blue and, if you mix the wrong things together, brown. Despite the rainbow of colors, all antifreeze starts out colorless.
Blue OAT coolant is common in German cars, and is different from the blue coolant used in Asian cars, which is silicate free. Coolant colors are not a sure bet, as there are different types of coolants that have the same color due to differences in water quality between continents.