Occupational Employment and Wages, May 2016. 47-2152 Plumbers, Pipefitters, and Steamfitters. Assemble, install, alter, and repair pipelines or pipe systems that carry water, steam, air, or other liquids or gases. May install heating and cooling equipment and mechanical control systems. Includes sprinklerfitters.
A contemporary hunger strike in Poland. A hunger strike is a method of non-violent resistance or pressure in which participants fast as an act of political protest, or to provoke feelings of guilt in others, usually with the objective to achieve a specific goal, such as a policy change. Most hunger strikers will take liquids but not solid food.
The Tiananmen Square protests were sparked by the death of Hu Yaobang on 15 April 1989. By the eve of Hu's state funeral, some 100,000 students had gathered at Tiananmen Square to observe it; however, no leaders emerged from the Great Hall. The movement lasted for seven weeks.