An activity involving physical exertion and skill that is governed by a set of rules or customs and often undertaken competitively. b. often sports (used with a sing. verb) Such activities considered as a group: Sports is a good way for children to get exercise.
Rust is Iron Oxide. Hence, any warnings concerning the ingestion of iron may apply. Ingesting too much iron, whether it be via rust, suppliments, or otherwise, can lead to unpleasant symptoms including nausea and vomiting. Long-term side affects such as liver damage can be associated with excessive iron intake.
Rust is the process of metal oxidation. It is a chemical burning undergone by iron. Rust can happen when metals are in contact with water, air, oxygen, or acids. The main catalyst of metal rust is water, because its molecule can penetrate pits in any exposed iron. When metals are exposed to the corrosion-causing agents for quite long time, some of the parts will turn into orange-colored powder, known as rust. This substance has long been blamed for some health disturbances.