It is clear that internal engine corrosion is prevelant and it is bad. Doing the math with general round numbers, if an engine overhaul costs $30,000, at 2,000-hour TBO, the cost is $15 per hour. Shorten the life of that engine by 500 hours and you have just lost $7,500. The causes â the debate. Scientists have long known how the process of corrosion occurs.
floss (plural flosses) 1  a thread, used to clean the area between the teeth. ( 2 raw) silk fibres. 3  the fibres covering a corn cob.  Any thread-like material having parallel strands that are not spun or wound around each 1  other. (Britain) Spun sugar or cotton candy, especially in the phrase candy floss.  A body feather of an ostrich.
(ËfÉs É) n., pl. fosâ¢sae (ËfÉs i) a pit, cavity, or depression, as in a bone. [1820â30; < Latin: ditch, fosse, short for fossa (terra) dug or dug out (earth), n. use of feminine of fossus, past participle of fodere to dig]