AD 1400-1450 Burgundian steel, silver-gilt, and enamel carving knives, engraved in Latin with "Mother of God, be mindful of me" and "Hail Mary, full of Grace, the Lord be with you" and cuir bouilli case (Knife: 37.5 cm overall, 23.7 x 4.5 cm blade, 0.7-0.8 cm handle depth; Case 38.3 x 5.2-6.9 x 4.2 cm) - Victoria & Albert Museum 2239:1 to 3-1855
The first priority is to assess a person's airway, breathing, and circulation (the ABCs). A problem in any of these areas may be fatal if not corrected. The airway (A), which is the passage through which air travels to the lungs, can become blocked (for example, by choking on a piece of food).
Indian jambiya, 18th century, wootz steel blade, silver, jade, diamond, gold, leather, H. with sheath 13 7/8 in. (35.2 cm); H. without sheath 12 3/4 in. (32.4 cm); L. of blade 8 1/2 in. (21.6 cm); W. 2 5/8 in. (6.7 cm); Wt. 10.8 oz. (306.2 g); Wt. of sheath 2 oz. (56.7 g), Met Museum, Bequest of George C. Stone, 1935.