Celluloid, the first synthetic plastic material, developed in the 1860s and 1870s from a homogeneous colloidal dispersion of nitrocellulose and camphor.
The meaning of AD is Anno Domini or Year of our Lord referring to the year of Christâs birth. The meaning of BC is Before Christ. CE is a recent term. It refers to Common Era and is used in place of A.D. the dates are the same i.e., 2009 AD is 2009 CE. BCE means Before Common Era. For example 400 BC is 400 BCE.
The CE Mark is a requirement for products sold to the European Market. The CE Mark identifies a product as complying with the health and safety requirements spelled out in European legislation (Directives) and is mandatory for equipment operating in the European Union (EU).Once the CE Mark is properly affixed, your product or equipment can be exported to European Union countries.he CE Mark identifies a product as complying with the health and safety requirements spelled out in European legislation (Directives) and is mandatory for equipment operating in the European Union (EU).