Imperial units commonly used units for length are (li), (tseung/cheung), (tsek/chek), (tsun/chun), (fen/fan) in descending scale order. These units are now rarely used in daily life, the imperial and metric systems being preferred. The imperial equivalents are written with the same basic Chinese characters as the Chinese system. In order to distinguish between the units of the two systems, the units can be prefixed with "Ying" () for the Imperial system and "Wa" () for the Chinese system. In writing, derived characters are often used, with an additional (mouth) radical to the left of the original Chinese character, for writing imperial units.
Imperial cult of a child or adult tulku is not unusual. Tulkus lead responsible lives because of their status as a bodhisattva. While many tulkus are monks, some tulkus choose to lead lay lives with families of their own. Some examples of historic leaders who are often considered divine kings are: Imperial cult An imperial cult is a form of state religion in which an emperor or a dynasty of emperors (or rulers of another title) are worshipped as demigods or deities. "Cult" here is used to mean "worship", not in the modern pejorative sense. The cult may be one of personality