Hydraulic fracturing, informally referred to as “fracking” is an oil and gas development process that typically involves injecting water, sand, and chemicals under high pressure into a bedrock formation via a well
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The correct answer is C. None of them are struck by hazards but rather caught in or between hazards.
A struck by hazard is when an object such as a flying object, falling object, swinging object or rolling object accidentally comes into contact with a person and impacts the person with another object or piece of equipment. A caught in or between injury is similar to a struck by hazard but they are created more as a result of a crushing injury between two objects such as being pulled into or caught in machinery and equipment or being compressed or crushed between rolling, sliding or shifting objects.
HDI (Human Development Index)
One stepping stone towards future education is re-implementing the maximum amount of students placed in a classroom. At present, this rule has been ignored because there are so many students in school, but there should be away where classes are not overcrowded to increase student-to-teacher interaction.
