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2. Heavy equipment operator - Wikipedia

   en.wikipedia.org/wiki/Heavy_equipment_operator

   A heavy equipment operator operates heavy equipment used in engineering and construction projects. [ 1 ] [ 2 ] Typically only skilled workers may operate heavy equipment, and there is specialized training for learning to use heavy equipment.

3. List of pipeline accidents in the United States in the 1970s

   en.wikipedia.org/wiki/List_of_pipeline_accidents...

   April 17 – A road grader hit a gas transmission pipeline in Mississippi, resulting in fatal burns to the grader operator. Later, it was found the pipeline only had 5 to 6 inches of soil cover in the area. [20] June 5 – An ammonia pipeline failed near Floral, Arkansas, releasing 80 tons of ammonia. A 6-year-old boy had to be hospitalized ...

4. List of railway industry occupations - Wikipedia

   en.wikipedia.org/wiki/List_of_railway_industry...

   This is a list of railway industry occupations, but it also includes transient functional job titles according to activity. [1] By sector

5. Heavy equipment - Wikipedia

   en.wikipedia.org/wiki/Heavy_equipment

   A heavy equipment operator drives and operates heavy equipment used in engineering and construction projects. [7] [8] Typically only skilled workers may operate heavy equipment, and there is specialized training for learning to use heavy equipment. Much publication about heavy equipment operators focuses on improving safety for such workers.

6. Grader - Wikipedia

   en.wikipedia.org/wiki/Grader

   A grader, also commonly referred to as a road grader, motor grader, or simply blade, is a form of heavy equipment with a long blade used to create a flat surface during grading. Although the earliest models were towed behind horses, and later tractors , most modern graders are self-propelled and thus technically "motor graders".

7. Earthworks (engineering) - Wikipedia

   en.wikipedia.org/wiki/Earthworks_(engineering)

   Earthwork construction was revolutionized by the development of the scraper and other earth-moving machines such as the loader, the dump truck, the grader, the bulldozer, the backhoe, and the dragline excavator.