ཀྱི་ and ཀྱིན་ occurafter ད་, བ་ and ས་ (e.g., གསོད་ཀྱི་ཡོད་པ་རེད་)
Flash at given p and S (e.g., for condensing turbine)
Light, Action, Illumination: These three words can be used to describe the general topics in the given texts