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2. Wheel tractor-scraper - Wikipedia

   en.wikipedia.org/wiki/Wheel_tractor-scraper

   A twin engined Terex TS-14b scraper in Hudson, Ohio. In civil engineering, a wheel tractor-scraper (also known as a land scraper, land leveler or tournapull) is a type of heavy equipment used for earthmoving. It has a pan/hopper for loading and carrying material.

3. Scraper (archaeology) - Wikipedia

   en.wikipedia.org/wiki/Scraper_(archaeology)

   This scraper type is common at Paleo-Indian sites in North America. Scrapers are one of the most varied lithic tools found at archaeological sites. Due to the vast array of scrapers there are many typologies that scrapers can fall under, including tool size, tool shape, tool base, the number of working edges, edge angle, edge shape, and many more.

4. Lantian Man - Wikipedia

   en.wikipedia.org/wiki/Lantian_Man

   For stone tools, Lantian Man manufactured mainly heavy-duty tools including choppers, spheroids, heavy-duty scrapers, handaxes, picks, cleavers. The latter three are characteristic of the Acheulean industry, which is usually only applied to African and Western Eurasian sites. It appears the Acheulean persisted far longer in this region than ...

5. LeTourneau Technologies - Wikipedia

   en.wikipedia.org/wiki/LeTourneau_Technologies

   LeTourneau had spent the early 1950s perfecting a diesel-electric drivetrain for multi-wheeled heavy-machinery. [ citation needed ] The system—somewhat similar in concept to the sort used on many locomotives –used a diesel combustion engine to spin an electric generator, which would send its power to hub motors mounted to each wheel of the ...

6. Chopper (archaeology) - Wikipedia

   en.wikipedia.org/wiki/Chopper_(archaeology)

   To create this tool, one would have to use a hammerstone to chip away flakes on the stone to create a side of the stone with a very sharp edge, allowing for the cutting and hacking of an object. This is a unique type of lithic reduction , as only a single side of the stone is retouched to produce the cutting surface of the stone.

7. Euclid Trucks - Wikipedia

   en.wikipedia.org/wiki/Euclid_Trucks

   Euclid truck in use at Chuquicamata copper mine in 1984 Euclid truck at a quarry in Poland (2013). The Euclid Trucks was a manufacturer which specialized in heavy equipment for earthmoving, particularly dump trucks, loaders and wheel tractor-scrapers.