The composition of Earth's crust and environment is such that human beings and hazardous substances have frequent contact. These substances can occur in any form, including gaseous, liquid, and solid. They also exist in variety, including heavy metals, radioactive elements, vapors and smog, industrial chemicals, and asbestos. Whatever the case, contact with these substances can lead to several short-term and long-term consequences for our well-being. Thus equipping yourself with knowledge on types and precautions helps reduce the risk. Below are some examples of dangerous substances and how they affect our health.
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