Pipe Thread Types and Designations. Overview: Different types of screw threads have evolved for fastening, and hydraulic systems. Of special concern are plastic-. to-metal, taper/parallel threaded joints in hydraulic circuits.
The taut Mike Nichols drama Silkwood (1983) was based on the real life case of a plutonium processing plant metallurgy worker, Karen Silkwood (Meryl Streep), who discovered corporate powers were covering up radiation leaks at Oklahoma's Kerr-McGee plant.
The film is loosely based on the true story of the 1993 Bre-X mining scandal, when a massive gold deposit was supposedly discovered in the jungles of Indonesia, however for legal reasons and to enhance the appeal of the film, character names and story details were changed.