Corrosion degrades the useful properties of materials and structures including strength, appearance and permeability to liquids and gases. Many structural alloys corrode merely from exposure to moisture in air, but the process can be strongly affected by exposure to certain substances. Corrosion can be concentrated locally to form a pit or crack, or it can extend across a wide area more or less uniformly corroding the surface.
foe. 1. a person who feels enmity, hatred, or malice toward another; enemy: a bitter foe. 2. a military enemy. 3. an opponent in a game or contest; adversary: a political foe. 4. a person who is opposed in feeling, principle, etc., to something: a foe to progress. 5. a thing that is harmful to or destructive of something.
Answer by Kns891. Confidence votes 39. An antagonist is a person or force who is opposed to, struggles against, or competes with another; opponent; adversary. A person who is opposed to, struggles against, or competes with another.An adversary of the hero.nswer by Kns891. Confidence votes 39. An antagonist is a person or force who is opposed to, struggles against, or competes with another; opponent; adversary. A person who is opposed to, struggles against, or competes with another.