I think, asbestos is a good example of gone by times. Same as leaded gas, or benzol. They are superior products from simpler times. There were made with a sing

I think, asbestos is a good example of gone by times. Same as leaded gas, or benzol. They are superior products from simpler times. There were made with a singular purpose and everything else was sacrificed to that purpose, even the health of us all.