lave numrs of ffen
kis wke.
so jits do n cpete with
engineers r bs
it mak aotorsee
thinabt rkers of diffent
types wke of the same
type compengitea other
d, to simplify thing let
jt age there artw
tys of worke.
unskilled and il
ime, that over
fiveut that turnoutoe
an appromaonf the u.s
lar rket.
we define unsll a
noncle a sll a
coeg
bacay llege e rkers
coetwi the each othean
noncollegeorrsompeteit
ea other forob