Production began in the Cuanza basin in the 1950s, in the Congo basin in the 1960s, and in the exclave of Cabinda in 1968.

Throughout the 1950s and early 1960s, Kurosawa directed approximately a film a year, including a number of highly regarded films such as Ikiru ( 1952 ), Seven Samurai ( 1954 ) and Yojimbo ( 1961 ).

Farming of abalone began in the late 1950s and early 1960s in Japan and China.

Mahalia Jackson's 1947 version received significant radio airplay, and as her popularity grew throughout the 1950s and 1960s, she often sang it at public events such as concerts at Carnegie Hall.

The company continued through the 1950s and 1960s, continuing to sell health and accident policies.

However, the late 1950s and early 1960s saw the onset of a lasting transformation of the city by the tourist industry.

Water-soluble artists ' acrylic paints became commercially available in the 1950s, offered by Liquitex, with high-viscosity paints similar to those made today becoming available in the early 1960s.

Throughout the late 1950s and into the 1960s, the United States and the Soviet Union had been developing a series of missile systems with the ability to shoot down incoming ICBM warheads.

* About 50 people in Vernon, Florida collected insurance claims for loss-of-limb accidents in the late 1950s and early 1960s ; this was more than two-thirds of all such claims in the United States during that time.

He was a liberal during the conservative 1950s, only to switch to conservative during the liberal, hippie-era 1960s.

Developed by the United States Navy in the 1950s, it was deployed in the 1960s, updated in the 1990s, and eventually installed on over 200 USN surface ships, specifically cruisers, destroyers, and frigates.

The first ASROC system using the MK-112 " Matchbox " launcher, was developed in the 1950s and installed in the 1960s.

Berlin was devastated by bombing raids during World War II, and many of the buildings that had remained after the war were demolished in the 1950s and 1960s in both West and East Berlin.

Some military and medical aid was also supplied to North Korea and North Vietnam in the 1950s and 1960s.

However, in the late 1950s and early 1960s, base-stealing was brought back to prominence primarily by Luis Aparicio and Maury Wills, who broke Cobb's modern single-season record by stealing 104 bases in 1962.

British photographer Cornel Lucas made iconic images of Bardot in the 1950s and 1960s that have become representative of her public persona.

A pitching revolution would not be unprecedented — several pitches have changed the game of baseball in the past, including the slider in the 1950s and 1960s and the split-fingered fastball in the 1970s to 1990s.

After the glittering decade of the 1950s, the first tour of the 1960s proved not nearly as successful as previous ones.

Charlton became one of the famed Busby Babes, the collection of precociously talented footballers who emerged through the system at Old Trafford in the 1940s, 1950s and 1960s as Matt Busby set about a long-term plan of rebuilding the club after the Second World War.

Through the 1950s and into the 1960s the Liberals survived only because a handful of constituencies in rural Scotland and Wales clung to their Liberal traditions, whilst in two English towns, Bolton and Huddersfield, local Liberals and Conservatives agreed to each contest only one of the town's two seats.

He continued to tour and record through the 1950s into the early 1960s, despite the fact that Western swing's popularity, even in the Southwest, had greatly diminished.

Most breviaries published in the late 1950s and early 1960s used this " Pian Psalter ".

He continued to have hits through the rest of the 1950s and even the 1960s, including " Pretty Thing " ( 1956 ), " Say Man " ( 1959 ), and " You Can't Judge a Book by the Cover " ( 1962 ).

Transistorized CPUs during the 1950s and 1960s no longer had to be built out of bulky, unreliable, and fragile switching elements like vacuum tubes and electrical relays.

Ralph Page almost single-handedly maintained the New England tradition until it was revitalized in the 1950s and 1960s, particularly by Ted Sannella and Dudley Laufman.

Apart from these factors, hard work and long hours at full capacity among the population in the 1950s, 1960s and early 1970s and extra labor supplied by thousands of Gastarbeiter (" guest workers ") provided a vital base for the economic upturn.

The Gulag () was the Soviet Union government agency that administered the main Soviet forced labor camp systems during the Stalin era, from the 1930s through the 1950s.

In the late 1950s, partly because of a world-wide decrease in demand for agricultural products, Uruguayans suffered from a steep drop in the standard of living which led to student militancy and labor unrest.

Cotton plantations required vast labor forces to hand-pick cotton, and it was not until the 1950s that reliable harvesting machinery was introduced into the South ( prior to this, cotton-harvesting machinery had been too clumsy to pick cotton without shredding the fibers ).

As the culture of the village changed, so did its focus, from distributing work to employees who worked at home to the development of modern factories, through serious labor unrest and World War I, the Depression and the eventual closing of the textile mills in the 1950s.

Victoria's importance as a rail point declined sharply in the 1950s when the change to diesel-electric locomotives greatly reduced the labor and facilities needed.

The railroad repair facility's importance diminished sharply in the 1950s, as the switch to diesel-electric locomotives required less labor and equipment.

Ballooning labor costs ( the company had never had an official United Auto Workers strike and Studebaker workers and retirees were among the highest paid in the industry ), quality control issues, and the new-car sales war between Ford and General Motors in the early 1950s wreaked havoc on Studebaker's balance sheet.

By the 1950s, the Marshallese population coming to work at the base at Kwajalein had grown, and the conditions in the makeshift labor camp on Kwajalein islet were such that the U. S. Navy administering the atoll at the time decided to relocate these Islanders to nearby Ebeye, an islet only three islands to the north of Kwajalein and accessible by a short boat ride or walk over the reef at low tide.

The two-sector surplus model, which was developed in the 1950s, has been further criticized for its underlying assumption that predominantly agrarian societies suffer from a surplus of labor.

Institutions similar to re-education through labor facilities, but called " new life schools " or " loafers ' camps ", existed in the early 1950s, although they did not become official until the anti-rightist campaigns in 1957 and 1958.

The brief postwar wave of labor unrest gave way to the conservatism of the 1950s, the housebreaking of previously radical labor unions, and McCarthyism.

Sugita finds that, " The 1950s was a decade during which Japan formulated a unique corporate capitalist system in which government, business, and labor implemented close and intricate cooperation.

Because hard hats are intended to protect the wearer's head from impacts where heavy labor is being performed, they are made from durable materials, originally from metal, then fiberglass, and most-commonly ( from the 1950s onward ) rigid plastic.

During the middle and late 1950s, the labor movement was under intense Congressional scrutiny for corruption, racketeering, and other misconduct.

The subjects of its investigations during the 1950s include the formulation of U. S. foreign policy in Asia ; the scope of Soviet activity in the United States ; subversion in the Federal Government, particularly in the Department of State and Department of Defense ; immigration ; the United Nations ; youth organizations ; the television, radio, and entertainment industry ; the telegraph industry ; the defense industry ; labor unions ; and educational organizations.

In the early 1950s, around a third of the United States ' total labor force was unionized ; by 2012, the proportion was 10 %, falling to 5 % for the private sector.

For Republicans in the 1950s the campaign against labor racketeering offered a chance to peel the working-class vote away from the Democratic Party by politically dividing union members from their leadership.

By the end of the 1950s, virtually all " corrective labor camps " were reorganized, mostly into the system of corrective labor colonies.

The Tupperware Party allowed for women of the 1950s to work and enjoy the benefits of earning an income without completely taking away the independence granted to women during the Second World War when women first began entering the labor market, all the while keeping their focus in the domestic domain.

Since they were first introduced by organized labor and the Department of Labor in the early 1950s, and first issued in a Revenue Ruling by the IRS in 1956, SUB-Pay Plans have enabled employers to supplement the receipt of state unemployment insurance benefits for employees that experience an involuntary layoff.

The Canal was notorious as the site of labor camps in 1950s Communist Romania, when, at any given time, several tens of thousands political prisoners worked on its excavation.