Abstract:A recent study conducted by the authors, recording on site observations and grading responses to questionnaires by the 1 to 5 according to the Likert scale indicates that the gating practice in the foundries of research institutions and tertiary institutions in Lagos state is far from the best global practice. Some common errors, such as lack of knowledge and application of the critical flow velocity of the molten metal, prevention of flow stoppage across extensive horizontal planes with consequential non unif… Show more
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