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.
Inspired by Naomi Kleinâs international non-fiction bestseller This Changes Everything, the film presents seven powerful portraits of communities on the front lines, from Montanaâs Powder River Basin to the Alberta Tar Sands, from the coast of South India to Beijing and beyond.