Etiquette determine which behaviours are polite and impolite among players and team....
Well, I wouldn't say they were developed sufficiently. Respiratory Distress Syndrome Respiratory distress syndrome (RDS) primarily occurs in infants born prematurely. Up to 50 percent of infants born between 26 and 28 weeks and fewer than 30 percent of infants born between 30 and 31 weeks develop RDS.
The answer is A. Permit-required confined space.
It is permit-required as there are hazards that those involved must be aware of before entering so that they can safely enter and work in the said space.
