62.6 MB (2.1 MB compressed)
5440 x 4020 pixels
46.0 x 34.0 cm ⏐ 18.1 x 13.4 in (300dpi)
TEK IMAGE / SCIENCE PHOTO LIBRARY TEK IMAGE / SCIENCE PHOTO LIBRARY
Metalwork. Technician using a milling machine to bore a hole through a block of metal. The cutting fluid sprays onto the surface area and acts as a coolant to reduce the friction co-efficient between the grain and workpiece.
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