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Table 2.1: Commonly Used Grades of Gold
[[File:Physical Properties of Gold and Gold-Alloys.jpg|right|thumb|Physical Properties of Gold and Gold-Alloys]]
Table 2.2: Physical Properties of Gold and Gold-Alloys
[[File:Influence of 1-10 atomic of different.jpg|right|thumb|Influence of 1-10 atomic of different]]
Fig. 2.2:
