Which of the following is one way firefighters can reduce exposure to carcinogens present in fires?
A. Clean helmet liners
B. Follow good nutritional guidelines
C. Maintain positive mental attitudes
D. Maintain high levels of physical fitness
A
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Insurance companies issued the first illness and disability policies around 1920
Indicate whether the statement is true or false
A major difference between the lozenge and troche is that a lozenge is never __________
Fill in the blank(s) with correct word
The second digit in NFPA® 220's subclassifications of building types refers to the fire-resistance rating of:
A) structural frames or columns and girders that support loads of more than one floor. B) exterior bearing walls. C) floor construction. D) structural frames or columns and girders that support loads of only one floor.
Increasing the flow through an unheated bubble humidifier has which of the following effects?
a. Decreasing the water vapor content b. Decreasing the relative humidity c. Increasing the water vapor content d. Increasing the relative humidity