Elementary algebra is the most basic form of algebra. 1  It is taught to students who are presumed to have no knowledge of mathematics beyond the basic principles of arithmetic. In arithmetic, only numbers and their arithmetical operations (such as +, â, Ã, Ã·) occur.
When using vinyl masking as a stencil, allow the etching cream to remain on the glass for 5 minutes.After 5 minutes, use water to rinse off the etching cream. Rinse from the top of the project down, work quickly and use your brush to help.
Set a piece of graining paper -- which looks much like a patch and contains a vinyl grain pattern -- over top of the vinyl repair. Heat an iron, as directed by the manufacturer, and slide over the paper for 30 to 60 seconds to emboss the grain pattern into the repair.