Preamble
"(o) 'Strike-breaker' means any person who obstructs, impedes, or interferes with by force violence, coercion, threats or intimidation any peaceful picketing by employees during any labor controversy affecting wages, hours or conditions of work or in the exercise of the right of self-organization or collective bargaining. “(p) ‘Strike area’ means the establishment of the employer struck against, as well as the immediate vicinity actually used by picketing strikers in moving to and fro before all points of entrance to and exit from said establishment."