About incoercibility, provided that erasable-state voting booths which disable voters to memorize complete information exchanged between them and election authorities for constructing votes are available, coercer C cannot know candidates that voters coerced by C had chosen even if the candidates are unique to the voters.

Ch'i-men county in late T'ang times exemplifies this development. The land in Ch'i-men was so limited by its hilly setting that almost seven-tenths of the 5,400 households in the county drew their livelihood from tea manufacture and bsuinesses connected with it. Government income too was obtained from the taxes on tea manufacture. Among tea merchants from other cities, the teas produced in Ch'i-men were much reputed for their excellent flavor and color, but in spite of the increasing demand, natural barriers-especially the Ch'ang-men rapids at Ch'i-men River, thirteen li southwest of the county capital-prevented the tea cargoes from being efficiently shipped in bulk.

They now have more sewing machines than technicians, so they plan to allow residents from Cishan and Meinong to use them in training programs.

Another form of religion called psycholatry holds in reverence the spirit of the departed.