Ключевые слова:
Plastics, Polymers, Tensile testing, Test equipment, Verification, Approval testing, Accuracy, Pendulum hardness tests, Charpy impact tests, Izod impact tests, Impact strength, Physical property measurement, Geometry, Installation, Repair, Pendulums, Length, Equations, Angles (geometry), Orientation, Position, Mass, Calibration, Control samples, Mathematical calculations, Friction, Errors, Components, Ratios, Acceleration, Rotational motion, Arcs of a circle