1 Either an acute injury near the nail or anything that causes the nail to be damaged repetitively (such as playing soccer) can also cause an ingrown nail.  If a member of your family has an ingrown toenail, then you are more likely to develop one, too.
The troy ounce (symbol and abbreviation: ozt) is a non-SI unit of mass commonly used to gauge the weight of precious metals. One troy ounce (ozt) = 31.1034768 grams (g) = 1.09714286 ounces (oz) = 480 grains (gr).
ounce. 1. A unit of weight equal to 1 / 16 of a pound and containing 16 drams or 437.5 grains. See Table at measurement. 2. A unit of volume or capacity used to measure liquids, equal to 1 / 16 of a pint and containing 8 fluid drams or 1.8 cubic inches. See Table at measurement.. ounce-a unit of weight equal to one sixteenth of a pound or 16 drams or 28.349 grams. oz. avoirdupois unit-any of the units of the avoirdupois system of weights.