For long-term welding of materials that may produce toxic fumes, a welder should wear a full-face _____
a. HEPA-rated mask
b. metal-fume filter
c. compressed-oxygen mask
d. supplied-air respirator
d
Trades & Technology
You might also like to view...
Find the metal area of the washer in the accompanying figure. All dimensions are in millimeters. Round your answer to the nearest tenth of a square millimeter.
What will be an ideal response?
Trades & Technology
Oil burner nozzles are designed and rated at 100 psig nozzle pressure.
Answer the following statement true (T) or false (F)
Trades & Technology
What type of vent is designed specifically for category I gas appliances?
A) PVC vent B) Type B vent C) Single wall, galvanized metal vent D) Type L vent
Trades & Technology
The heat sink for a water source heat pump is
A) the air inside the house B) the air outside the house C) the water in the water loop D) electric strip heat
Trades & Technology