In our day and age, technology is everywhere -- but when it comes to one of the most prevalent manufacturing processes in existence, the process has more or less stayed the same for hundreds if not thousands of years. That process is aluminum investment casting, and it is one of the oldest metalworking processes known to man. The earliest record of investment casting appears around 5,000 years ago, when it was used to produce bronze, copper, and gold jewelry and statues by the civilizations of ancient Mesopotamia and Egypt, as well as the Han Dynasty of China and...
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