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In page Field hockey:

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In the early 1970s, artificial turf began to be used.[21] Synthetic pitches changed most aspects of field hockey, gaining speed. New tactics and techniques such as the Indian dribble developed, followed by new rules to take account. The switch to synthetic surfaces ended Indian and Pakistani domination because artificial turf was too expensive in developing countries.[22] Since the 1970s, Australia, the Netherlands, and Germany have dominated at the Olympics and World Cup stages.[citation needed]