In most occasions,you can request that your mechanic perform a Block test to ensure their hasn't been any major damage done to your engine, BEFORE you decide to repair the causes of overheating (rubber hose,thermostat,water pump,radiator,cooling fan etc). Sometimes their is no choice ,but to repair the causes first.
Epsilon (uppercase Îµ, lowercase Îµ or lunate Ïµ; Greek: Î­ÏÎ¹Î»Î¿Î½) is the fifth letter of the Greek alphabet, corresponding phonetically to a mid front unrounded vowel /e/. In the system of Greek numerals it has the value five. It was derived from the Phoenician letter He .
The Greek lowercase epsilon Îµ, the lunate epsilon symbol Ïµ, or the Latin lowercase epsilon É (see above) is used as the symbol for: In mathematics (particularly calculus), an arbitrarily small positive quantity is commonly denoted Îµ; see (Îµ, Î´)-definition of limit.