Wikipedia sayings about craftsman air compressor manual

1.Occupational safety and health

non-standard work arrangements (were not regular permanent employees). Due to the manual labour involved and on a per employee basis, the US Postal Service, UPS

https://en.wikipedia.org/wiki/Occupational safety and health

2.Productivity-improving technologies

infrastructure during the 20th century. Centrifugal pumps and centrifugal compressors are efficient means of pumping liquids and natural gas. The seed drill

https://en.wikipedia.org/wiki/Productivity-improving technologies