A connector includes a female member, and a checking member. The method may include adding a strong alkali solution to a slurry waste of the cerium oxide abrasive, adding sodium fluoride to the slurry waste, and separating a cerium oxide particle included in the slurry waste from other kinds of particles. The first portion is removably connectable to the second portion. A subscriber identification module is located in or mounted in the housing and has device terminals. and its use as an anti-bacteria agent, and use of a compound Kuwanon H having the following formula separated from the extract as an anti-bacteria agent:.