The riser is the vertical surface of the stair. The tread on the other hand is the horizontal surface of the stair and the part of the stair you step on. Nosing is the portion of the tread that overhangs the front of the riser.
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Differences between virtual reality and augmented reality
The main difference between virtual reality and augmented reality is that, in the former, everything the user sees is created by a com...
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Piaget's (1936, 1950) theory of cognitive development explains how a child constructs a mental model of the world. . The goal of the...
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Occur at runtime. Recovery. Programs are recoverable from Exceptions by handling them appropriately using try/catch block or throw keyword...
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