When I was a lot younger there were loads of blasting near our home as they were making a new freeway. Can clearly remember watching this and they used to cover the blast area with large blast blankets as they called them, made from interwoven strips of old car tyres.
At the time of the blast the vast majority of the rocks were trapped by these blast blankets, there were of course the odd flying rock but being kept at a safe distance we were safe along with nearby houses.
Brian
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