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Create AccountThe pump drill was used by Indigenous peoples to start fire and drill holes into materials such as wood, shell, bone and stone. While modern power tools replaced the pump drill after the 19th century, some specialized craftspeople continue to use the tool.
Tantalum (Ta) is a grey, heavy, very hard metal with a high melting point. Tantalum is a chemical element with the chemical symbol Ta and atomic number 73. The name of this metal is derived from King Tantalus, a figure in Greek mythology. Due to its properties tantalum is used in the electronics industry.
