- Blackening of screws
- Civil and Mechanical Engineeringதிருகாணி கருமையாக்கல்
English-Tamil dictionary. 2014.
Blackening of screws
Look at other dictionaries:
Screw — This article is about the fastener. For other uses, see Screw (disambiguation). Screws come in a variety of shapes and sizes for different purposes. U.S. quarter coin (diameter 24 mm) shown for scale. A screw, or bolt, is a type of fastener… … Wikipedia
