Chinese temple architecture also "wu" and "tongji" shamans, may perform services within these temples. Shenist temples are usually small and decorated with traditional figures on their roofs (dragons and deities), although some evolve into significant structures. Chinese temples can be found throughout Mainland China, Taiwan and also where Chinese expatriate communities settled over centuries. An old name in English for Chinese traditional temples is "joss house". "Joss" is an Anglicized spelling of the Portuguese word for "god", "deus". "Joss house" was in common use in English in western North America during frontier times, when joss houses were a common feature of Chinatowns. The
Incense clock for long periods of use, and often hung from the roofs of homes and temples. In fact one of the side jobs of the time keeper in ancient Chinese cities was to mark calibrated incense with individual lines, to denote length of a burn for sale to the public. This was done to supplement the individual's often meager incomes. In Chinese medicine doctors would make multiple partial breaks on an incense stick as instructions to the patient such that the patient would take a dose of medication every time the incense has burned to one of these breaks. In Japan,