An upgrade may pertain-to a type.Logical formLearned from6 sentences. A company may release an upgrade.Logical formLearned from6 sentences. (Equipment upgrades) can be costly.Logical formLearned from6 sentences. An upgrade may include improvements.Logical formLearned from6 sentences. An upgrade can be constituted-of-or-filled-with majordomo.Logical formLearned from6 sentences. Upgrades can be expected.Logical formLearned from6 sentences. A person may get some upgrade.Logical formLearned from6 sentences. An upgrade can be expensive.Logical formLearned from6 sentences. Upgrades can be to an aircraft.Logical formLearned from6 sentences. Upgrades can be to lighting.Logical formLearned from6 sentences. Upgrades can be painless.Logical formLearned from6 sentences. Upgrades can be wan.Logical formLearned from6 sentences. Upgrades can be voluntary.Logical formLearned from6 sentences. Upgrades can be to releases.Logical formLearned from6 sentences. A majority may pertain-to upgrades.Logical formLearned from6 sentences.