A pool water test kit is an inexpensive way to test the pH of your swimming pool. If you have a pool maintenance pro who is doing regular, routine cleaning and maintenance of your pool, they will certainly be doing this testing for you as part of their services. However, if you want to save money you can do it yourself.
Devised primarily by Secretary of State John Foster Dulles, this so-called New Look at foreign policy proposed the use of nuclear weapons and new technology rather than ground troops and conventional bombs, all in an effort to threaten âmassive retaliationâ against the USSR for Communist advances abroad.
Allen Dulles. The director of the CIA under Eisenhower, who advocated extensive use of covert operations. Most notable among Dullesâs initiatives were U.S.-sponsored coups in Iran in 1953 and Guatemala in 1954, which installed pro-American governments in order to curb potential expansion of Communism.