|Frequent||A||Likely to occur often in the life of the item||Continuously experienced|
|Probable||B||Will occur several times in the life of an item||Will occur frequently|
|Occasional||C||Likely to occur some time in the life of an item||Will occur several times|
|Remote||D||Unlikely but possible to occur in the life of an item||Unlikely, but can reasonably be expected to occur|
|Improbable||E||So unlikely, it can be assumed occurrence may not be experienced||Unlikely to occur, but possible|
Так и просится еще одна категория "Абсолютно невероятно"