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 Sovereign Imperial Sovereign The question of an Imperial Sovereign or emperor was a central issue in Germany's attempts at unification between 1848 and 1850. Both the draft constitutional act with its provision for centralised power as well as the constitutional plans at that time, laid down how a German head of state would be selected for office and what rights they were to have. In the Frankfurt Constitution of 28 March 1849, it was envisaged that an emperor would be the 'imperial sovereign'. Although the National Assembly voted for the first incumbent of this office, thereafter it was assumed that the