nitric acid fumes. The vapors of nitric acid (HNO3). They are used in various chemical processes. Poisoning is produced by the action of the corrosive fumes on the respiratory tract. Findings include choking, gasping, swelling of mucous membranes, tightness in the chest, pulmonary edema, cough, and shock. Symptoms may last for 1 week or more.
Knights in training [edit]. The most common definition of âsquireâ refers to the Middle Ages. A squire was typically a teenaged boy, training to become a knight. A boy became a squire at the age of 14 or 15.Squires were the second step to becoming a knight, after first having served as a page. Boys served a knight as an attendant or shield carrier, doing simple but important tasks such as saddling a horse or caring for the knightâs weapons and armour.he most common definition of âsquireâ refers to the Middle Ages. A squire was typically a teenaged boy, training to become a knight. A boy became a squire at the age of 14 or 15.
Adults Could Earn The Rank of Eagle Scout. Scouting began in 1910 and included boys in the age group of 12 to 17. In 1949, the age group was changed to 11 to 17. And in 1972 it was again changed to 11 or completed 5th grade.