Asbestos is a set of six naturally occurring silicate minerals, which all have in common their eponymous asbestiform habit: i.e. long (roughly 1:20 aspect ratio), thin fibrous crystals, with each visible fiber composed of millions of microscopic "fibrils" that can be released by abrasion and other processes.They are commonly known by their colors, as blue asbestos, brown asbestos, white asbestos, and green asbestos.
Explanation:
it has become less restricted over time.
It is free to the buyer because he does not have to pay for the second product, but it is not free to society because the cost to produce the product including the labors, materials, machines, and electricity cost go unpaid.
The product of exposure, life experiences and learning of an individual