LOT Polish Airlines Flight 5055 accident's cause was similar to that of LOT Polish Airlines Flight 007's crash seven years earlier. After the disaster of Flight 007, the Polish investigatory commission established that its engine shaft disintegration was the result of metal fatigue; improper alloy preparation resulting in a defective mechanism which was less resistant to fatigue; and a faulty design of the engine shaft. Detection of these faults was possible only after complete disassembly of the engine and detailed analysis of all its elements, and as such was beyond the capabilities of aircraft maintenance personnel. These concerns were addressed by the Polish Government's Special
National brand local- or private-branded product. National brand A national brand is the brand of a product that is distributed nationally under a brand name - owned by a producer or distributor - as opposed to local brands (products distributed only in some areas of a country), and to private-label brands (products that carry the brand of the retailer rather than the producer.) National brands compete with local and private brands. National brands are produced by, widely distributed by, and carry the name of the manufacturer. On the other hand, marketing and advertising may give consumers the impression that a national-brand product