What steps would you take if a person fell unconscious due to a lack of oxygen in a confined space?
What will be an ideal response?
You do not want to rush into the space to rescue someone and become the second victim. First start the ventilation system and use a MSHA/NIOSH approved self- contained breathing apparatus to enter the space if the refrigerant concentration levels are still excessive.
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The red-tailed hawk is the smallest hawk in North America
a. True b. False Indicate whether the statement is true or false
Why are sections of tubing that are to be fitted together sometimes swaged?
What will be an ideal response?
An ammeter model consists of an ideal ammeter in series with a 20-? resistor. It is connected with a current source and an unknown resistor R? as shown in Fig. 2.133. The ammeter reading is noted. When a potentiometer R is added and adjusted until the ammeter reading drops to one half its previous reading, then R = 65 ?. What is the value of R??
 FIGURE 1.png)
Drywall requires different levels of finish depending on lighting conditions, decorative treatment, and _____
a. location b. color c. manufacturer d. content