Metal whose hardness was to be tested three groups

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EQUIPMENT Below in Figure 1a the picture shows the equipment used to test the hardness samples of three groups. The name of the equipment in picture 1a is called Rockwell's tester, and it works by levering the different specimen against a hard tip to provide rating. In figure 2a it displays three of the specimen that were measured in Fig 1a Fig DATA S DESCRIPTION TRIALS AVG/ ROCKWELL HARDNESS # TENSILE STRENGTH 1 SILVER 89.7,89.9,89.5,90.5,89.7 89.86 91.48 2 BRASS 61.9,61.1,61.7,61.4,61.9 61.6 3 SILVER/REFLECTIVE 89.7,89.9,89.5,90.89.9 89.74 91.48 Fig of three Hardness a digital the tester. 2a 55.3

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