Chemical Corps affiliation with the corps. The Chemical Corps branch insignia consists of a cobalt blue, enamel benzene ring superimposed over two crossed gold retorts. The branch insignia, which was adopted in 1918 by the fledgling Chemical Service, measures .5 inches in height by 1.81 inches in width. Crossed shells with a dragon head was also commonly used in France for the Chemical service. The Chemical Warfare Service approved the insignia in 1921 and in 1924 the ring adopted the cobalt blue enamel. When the Chemical Warfare Service changed designations to the Chemical Corps in 1946 the symbol was retained. The regimental
Au pair often become demi-pairs to immerse themselves into the language and culture of Australia. Au pair arrangements in Australia and work hours vary from 10 to 40 hours per week. The Cultural Au Pair Association of Australia (CAPAA) was formed in 2012 on a not-for-profit basis. CAPAA is an industry based association for Au pair agencies, with the purpose of protecting and developing the Au pair experience as a rewarding cultural exchange programme. Members agree to abide by the code of conduct developed by the International Au Pair Association (IAPA). CAPAA members agree to meet strict business and ethical standards to