Blue Collar 1978 Does This Still Work?

We continue our union films month with this forgotten Richard Pryor, Harvey Keitel and Yaphet Kotto flick from 1978. 
Links
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Does This Still Work? - TV Podcast
https://www.podchaser.com/podcasts/does-this-still-work-1088105
‎Does This Still Work? on Apple Podcasts
https://podcasts.apple.com/us/podcast/does-this-still-work/id1492570867
Work Stoppage 1978
https://www.bls.gov/wsp/publications/annual-summaries/pdf/work-stoppages-1978.pdf
Detroit Edison
https://www.newspapers.com/image/210099983/?terms=coal%20strike&match=1
Wildcat Strike
https://www.flickr.com/photos/washington_area_spark/albums/72157631529687429/