What is the concern about radon gas?
What will be an ideal response?
Concentrations of radon gas over time can lead to serious health consequences for the building's occupants.
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____ is used to reinforce concrete slabs.
A. Welded wire fabric B. Expanded steel mesh C. Corrugated steel D. Metal lath
Technician A says that aluminum on the thread of a bolt indicates that the threads in the case are damaged. Technician B says that all bolts should be checked for damage before they are reused. Which technician is correct?
A) Technician A only B) Technician B only C) Both technicians D) Neither technician
Which of the following is NOT a parameter of the MEQ instruction?
A) Source B) Compare C) Destination D) Mask
How often should the vacuum pump oil be changed?
A. every 3 months of operation B. every other time it is used C. before each use D. every 8 hours of operation