of the business. Public order or highway offense picketing which due to behaviors, third-party supporters, or overspill meets with or is entitled to be met with police or local authority enforcement measures to limit its activities or street-side support. Criminally violent or menacing picketing: use of force (battery and/or criminal damage), or reasonably perceptible and real threats of such (assault), to injure or sufficiently intimidate persons; At several pickets at the height of the UK miners' strike (1984–85), picketers pelted strikebreakers with stones, paint and brake fluid, many of whom the police arrested for offences against the person. Vexatious picketing which due to very high frequency causes severe loss of economic activity and/or reputation. It may be contrasted with non-obstructive picketing in which the impact on the business or organization is likely to be the presence nearby of a group of people close in number to the number of strikers on strike who have an informational picketing line, assembly or rally. It is possible, but rarely allowed in labor law globally, to have an informational picket in a public place by the business which has no simultaneous strike – a protest of workers outside of their shifts – in some sectors the immediate financial impact of a non-obstructive picket could be negligible and longer-term impact could be an HR policy or public-facing policy enhancement and a consumer relations uplift. Legality Picketing, as long as it does not cause obstruction to a highway or intimidation, is legal in many countries and in line with freedom of assembly laws, but many countries have restrictions on the use of picketing. Legally defined, recognitional picketing is a method of picketing that applies economic pressure to an employer with the specific goal to force the employer to recognise the issues facing employees and address them by bargaining with a union. In the US, this type of picketing, under Section 8(b)(7)(A) of the Labor Act, is typically illegal if representation is not relevant or is unquestionable. In the UK mass picketing was made illegal under the Trade Disputes and Trade Unions Act 1927, moved by the leaders of what would soon be National Labour, after the 1926 General Strike. Otherwise picketing was banned by the Liberal-tabled Criminal Law Amendment Act 1871 but is decriminalised by the Conservative-tabled Conspiracy and Protection of Property Act 1875. The Trade Union and Labour Relations (Consolidation) Act 1992 gives protection, under