A sinkhole, also known as a cenote, sink, sink-hole, shakehole, swallet, swallow hole, or doline, is a depression or hole in the ground caused by some form of collapse of the surface layer. Most are caused by karst processesâfor example, the chemical dissolution of carbonate rocks or suffosion processes. Sinkholes vary in size from 1 to 600 m both in diameter and depth, and vary in form from soil-lined bowls to bedrock-edged chasms. Sinkholes may form gradually or suddenly, and are found ...
According to the Perceived Service Quality model (Figure 1), the quality of a service, as perceived by the customer, is the result of a comparison between the expectations of the customer and his or her real-life experiences.
Testing: Testing is the process or procedure to determines the quality of a product. Quality: The term quality refers the excellence of a product. When we say the quality of a product is good. We mean that the product is good for the purpose for which it has been made.Control: To check or verify and hence to regulate.Quality Control: Quality control is the synthetic and regular control of the variable which affect the quality of a product. The operational techniques and activities that sustain the quality of a product or service in order to satisfy given requirements.ontrol: To check or verify and hence to regulate. Quality Control: Quality control is the synthetic and regular control of the variable which affect the quality of a product. The operational techniques and activities that sustain the quality of a product or service in order to satisfy given requirements.