A. -- vocational guidance
B. -- occupational disease
C. -- work permit
D. -- work contract
E. -- work shop
F. -- serial production
G. -- shift work
H. -- teamwork work
I. -- piecework work
J. -- timework work
K. -- seasonal work
L. -- to be paid by the hour
M. -- labor management
N. -- labor market
O. -- department of labor
P. -- employment exchange
Q. -- handcrafts
R. -- full employment ( )职业介绍所 ( )换班工作