Examlex
Uranium metal, made only of uranium atoms, has how many protons in each atom?
F8/h7 Symbol
A code in engineering denoting a specific type of fit between two machined parts, with precisions defined by the letter and number.
Close Running
Fit type characterized by a small but non-restrictive clearance that allows components to move together smoothly without excessive play or looseness.
Grades
Levels of quality or size in a uniform set of specifications, or levels of academic achievement in educational contexts.
Ø30 f7 Fit
A specification for a cylindrical fit where Ø30 defines the nominal diameter in millimeters and f7 specifies the tolerance class for a hole.
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