Occupations: other; carnival and amusement rides; revise duties of owners, and expand powers of the department. Amends title & secs. 2, 10, 11, 12, 15, 16, 17 & 20 of 1966 PA 225 (MCL 408.652 et seq.); adds sec. 19a & repeals sec. 13 of 1966 PA 225 (MCL 408.663 ).