Quizzes

Roman Kosolapov | Dreamstime
Grinding large iron casting.
Castings are rarely perfect, and the steps needed to improve them are among the most demanding in the process of delivering parts to customers.
March 30, 2026
FATA Aluminum
FATA Aluminum foam pattern
Feb. 4, 2026
2512fmtoutlookheader
Jan. 11, 2026
Visualcreator00 | Dreamstime
Automotive crankshaft
Nov. 13, 2025
Porosity in castings results when mold gases are generated during pouring. This may result in blowholes (spherical or ovular cavities in the casting surface or within the casting) or pinhole porosity, the result of hydrogen trapped during in the mass of molten metal.
Sept. 8, 2025
F11photo | Dreamstime
The Liberty Bell, Philadelphia.
July 2, 2025
Korn Vitthayanukarun | Dreamstime
ID 197212814 © Korn Vitthayanukarun | Dreamstime.com
May 7, 2025
Ryzhov Sergey | Dreamstime
Scanning electron microscope
March 7, 2025
ecocleanultrasoniccleaningpromo
Jan. 14, 2025

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