By the population and the water losses over time the people and cities have effected this in some harmful way.
Early 1800's. The Erie Canal was built in 1817
Answer:
1. Read and follow instructions in equipment operator's manuals and on product labels.
2. Inspect equipment routinely for problems that may cause accidents.
3. Discuss safety hazards and emergency procedures with workers.
I believe one minerals that cleaves into flat sheets are called Mica. there are others too, though.
