Manufacturing And Production Technology
Which of the following is the correct data structure for solid models?

Vertices - faces- edges - solid parts
Vertices - edges - faces - solid parts
Solid part - faces - edges - vertices
Solid part - edges - faces - vertices

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Manufacturing And Production Technology
In ultrasonic machining, the metal is removed by

Erosion caused by rapidly recurring spark discharges between the tool and work
Using abrasive slurry between the tool and work
Maintaining an electrolyte between the work and tool in a very small gap between the two
Direct contact of tool with the work

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