"क्रेन": अवतरणों में अंतर
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पंक्ति 43:
* [http://cic.nist.gov/vrml/equip.html VRML Simulation of a tower crane]
* [http://www.safetyculture.com.au/procedures/Gantry_Crane_Procedure.php Gantry Crane Safety Procedures]
[[श्रेणी:मशीने]]
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