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Reverse graffiti [note 1] is a method of creating temporary or semi-permanent images on walls or other surfaces by removing dirt from a surface. It can also be done by simply removing dirt with the fingertip from windows or other dirty surfaces, such as writing "wash me" on a dirty vehicle.
A file is a tool used to remove fine amounts of material from a workpiece. It is common in woodworking , metalworking , and other similar trade and hobby tasks. Most are hand tools , made of a case hardened steel bar of rectangular, square, triangular, or round cross-section, with one or more surfaces cut with sharp, generally parallel teeth.
Screen printing is a printing technique where a mesh is used to transfer ink (or dye) onto a substrate, except in areas made impermeable to the ink by a blocking stencil.A blade or squeegee is moved across the screen in a "flood stroke" to fill the open mesh apertures with ink, and a reverse stroke then causes the screen to touch the substrate momentarily along a line of contact.
In practice, the (object) stencil is usually a thin sheet of material, such as paper, plastic, wood or metal, with letters or a design cut from it, used to produce the letters or design on an underlying surface by applying pigment through the cut-out holes in the material.
The detachment of wall paintings involves the removal of a wall painting from the structure of which it formed part. While detachment was once a common practice, the preservation of art in situ is now preferred, and detachment is now largely restricted to cases where the only alternative is total loss. [ 1 ]
Photo-lithography captures an image by photographic processes on metal plates; printing is more or less carried out in the same way as stone lithography. Halftone lithography produces an image that illustrates a gradient-like quality. Mokulito is a form of lithography on wood instead of limestone. It was invented by Seishi Ozaku in the 1970s in ...
Rodents such as mice and rats are common intruders in crawlspaces, attics, and walls. They are likely seeking warmth, food, and shelter. If you hear scratching, gnawing, or scurrying sounds coming ...
Steel engraving is still done today, but to a much lesser extent. Today, most printing is done using computerized stencils instead of a steel plate to transfer ink. An exception is currency, which is still printed using steel dies, since each bill then has a character and feel that is very difficult for counterfeiters to duplicate.