Slate (writing) expensive. Slate (writing) A slate is a thin piece of hard flat material, such as the rock also called slate, that is used as a medium for writing. The rock is “a metamorphic rock created by the recrystallization of the minerals in shale from clay to parallel-aligned, flat, flake-like minerals such as mica”. The writing slate consisted of a piece of slate, typically either 4x6 inches or 7x10 inches, encased in a wooden frame. A precise date range for writing slates of this type has not been established. Usually, a piece of cloth or slate sponge was used to clean
Name change Document Verification Service. In Canada a person can informally call themselves whatever they want. In all provinces except Quebec, when someone gets married they can change their last name without legally changing their name by using their Marriage Certificate as verification of the name change. It is almost impossible for married women in Québec to take their husbands' names. Like the United States, the requirements for a formal name change varies from province to province. Except for Ontario, British Columbia and New Brunswick, Canadians must be 18 to change their names and have lived in the province they are changing