They will also use salt - fog testing to investigate the long - term durability of these repairs. (sciencedaily.com)
Building long - term durability into an engine designed to do a few thousand kilometres before needing a complete overhaul is another matter and makes the engine requirements fundamentally different. (evo.co.uk)
Long - term durability remains to be seen, but so far I don't think you can beat this reader for its bang for the buck. (the-ebook-reader.com)