What kind of Disability laws are there?

Picketing is a tactic which is often used by workers during strikes. They may congregate outside the business which they are striking against, in order to make their presence felt, increase worker participation and dissuade (or prevent) strike breakers from entering the place of work. In many countries, this activity will be restricted both by labour law, by more general law restricting demonstrations, or sometimes by injunctions on particular pickets. For example, labour law may restrict secondary picketing (picketing a business not directly connected with the dispute, such as a supplier of materials), or flying pickets (mobile strikers who travel in order to join a picket). There may be laws against obstructing others from going about their lawful business (scabbing, for example, is lawful); making obstructive pickets illegal, and, in some countries, such as Britain, there may be court orders made from time to time against pickets being in particular places or behaving in particular ways (shouting abuse, for example).