Introduction. An ingrown toenail develops when the sides of the toenail grow into the surrounding skin. The big toe is often affected, either on one or both sides. The nail curls and pierces the skin, which becomes red, swollen and tender.Other possible symptoms include: 1  pain if pressure is placed on the toe.ntroduction. An ingrown toenail develops when the sides of the toenail grow into the surrounding skin. The big toe is often affected, either on one or both sides. The nail curls and pierces the skin, which becomes red, swollen and tender. Other possible symptoms include: 1  pain if pressure is placed on the toe.
anon256938 wrote in Post 15: A metric ton is equal to 2240 US pounds, which can also equate to a long ton, sometimes spelled as long tonne. Both long tonne and/or long ton are uncommonly referred to as a megagram ton.
To determine mass we can use one of two systems-the U.S. Customary System and the Metric System. The U.S. Customary System consists of: ounces, pounds and tons 16 oz = 1 lb 2000 lb = 1 ton. The U.S. Customary System consists of: ounces, pounds and tons. 16 oz = 1 lb 2000 lb = 1 ton.