Question
Thu October 25, 2012 By: Pratik D K Panth
 

vehicles carrying petrol and other inflammable materials usually have metallic chain touching the ground during motion why

Expert Reply
Thu October 25, 2012
so that in case of lightening striking the vehicle or if static charge is developed on the vehicle it gets discharged from that chain to the ground
and wont lead to any sparking which may lead to fire
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