There were no full time, paid firefighters until mid-19th century. Today, 30% of the nation’s over one million firefighters are paid and 70% receive little or no payment. Why do you think the percentages are so much greater for volunteer firefighters?

The occupational safety and health administration promulgated a rule requiring warehouse employees to wear hardhats when in the vicinity of an operating forklift. the purpose of the hardhats is to protect employees from danger of falling objects. this rule is