Dragline is an excavator. It is a piece of heavy equipment that is used in surface mining and civil engineering. Large types are normally used in mining to move overburden above coal while small ones are used in pot and road construction. You can visit wikipedia for images.
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what is the definition of dragline
Advice (also called exhortation) is a form of relating personal or institutional opinions, belief systems, values, recommendations or guidance about certain situations relayed in some context to another...