tunisie road stone crusher
Crushed rock #67 ranges in size from 3/4 inches to a size of fine particles and is used as a slab, road and fill base. Another crushed stone is #411, which is a mixture of #57 stone and stone dust. This mixture is used as a base for retaining walls, roads and for patching holes in pavement. Mixing in dust with the larger stone improves its ...
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