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The Great Rift Valley of Africa provides critical evidence for the evolution of early hominins.The earliest tools in the world can be found there as well: An unidentified hominin, possibly Australopithecus afarensis or Kenyanthropus platyops, created stone tools dating to 3.3 million years ago at Lomekwi in the Turkana Basin, eastern Africa.
Acheulean tools were produced during the Lower Palaeolithic era across Africa and much of West Asia, South Asia, East Asia and Europe, and are typically found with Homo erectus remains. It is thought that Acheulean technologies first developed about 2 million years ago, derived from the more primitive Oldowan technology associated with Homo ...
Hand-held power tools TTS Tooltechnic Systems: Wendlingen, Germany Festool, Tanos, SawStop: Hand-held power tools, dust extraction tools, workplace organization United Pacific Industries Ltd: Spear & Jackson: Hand tools and garden tools Wera Werk Hermann Werner GmbH & Co. KG: Wuppertal, Germany: Wera Tools: Drivers, driver bits, other hand ...
Whatever was from Africa was Oldowan, and whatever from Europe, Acheulean. The solution to the definition problem is to define the types in terms of complexity. Simply struck tools are Oldowan. Retouched, or reworked tools are Acheulean. Retouching is a second working of the artifact. The manufacturer first creates an Oldowan tool.
During the 1960s and 1970s AB Bahco consisted of four major companies: Bahco Ventilation, Mecamen, Bahco Tools and Bahco Sudamericana.Bahco Ventilation was responsible for products and facilities for air purification, energy and recycling, Mecamen had all the pneumatics, hydraulics and control systems and Bahco Tools controlled the production of hand tools, air tools and hydraulic tools. [4]
Technology, Tradition and the State in Africa is a book studying the indigenous political systems of sub-Saharan Africa written by the British social anthropologist Jack Goody (1919–2015), then a professor at St. John's College, Cambridge University. It was first published in 1971 by Oxford University Press for the International African ...
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Cleavers, found in many Acheulean assemblages such as Africa, were similar in size and manner of hand axes. The differences between a hand axe and a cleaver is that a hand axe has a more pointed tip, while a cleaver will have a more transverse "bit" that consists of an untrimmed portion of the edge oriented perpendicular to the long axis of the tool.