SAE 100R12 hydraulic hose for petroleum and water-based hydraulic fluid. It contains 4 spiral plies of heavy wire wrapped in alternating directions. One braid or ply of material may be used over the inner tube and/or over the wire reinforcement binding the synthetic rubber to the wire.
Taylor considers Baby Boomer birth dates to range from 1946-1964, Generation X birth dates from 1965-1980, and the Millennials to begin in 1980, with no end date in sight.
He also analyses the cohorts that followed the boom: the 'baby bust' (a period from 1967 to 1979 when relatively few babies were born) and the 'baby boom echo' (from 1980 to the present - the children of the baby boomers).