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One of the most fundamental elements of art is the line. An important feature of a line is that it indicates the edge of a two-dimensional (flat) shape or a three-dimensional form. A shape can be indicated by means of an outline, and a three-dimensional form can be indicated by contour lines. [1]
Hanging patio heater: portable and small footprint; comes in electric only Tabletop patio heater: ultra-portable and great for smaller groups or outdoor dining, but it uses a small propane tank Patio heaters have become popular with bars and restaurants, since they extend the day and the season for their customers to sit outdoors.
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30 kW resistance heating coils This radiant heater uses tungsten halogen lamps. Electric heating is a process in which electrical energy is converted directly to heat energy. Common applications include space heating, cooking, water heating and industrial processes. An electric heater is an electrical device that converts an electric current ...
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A ceramic heater as a consumer product is a space heater that generates heat using a heating element of ceramic with a positive temperature coefficient (PTC). [ 1 ] [ 2 ] [ failed verification ] Ceramic heaters are usually portable and typically used for heating a room or small office, and are of similar utility to metal-element fan heaters .
Hard-edge painting (also referred to as Hard Edge or Hard-edged) is painting in which abrupt transitions are found between color areas. [1] Color areas often consist of one unvarying color. The Hard-edge painting style is related to Geometric abstraction , Op Art , Post-painterly Abstraction , and Color Field painting .
A triple fore-edge painting has, in addition to paintings on the edges, a third painting applied directly to the edges (in lieu of gilt or marbling). An edge painting that is a continuous scene wrapped around more than one edge is called a panoramic fore-edge painting. This is sometimes called a triple edge painting. [7] [8]