Withdrawal symptoms vary with the substance, but some symptoms may include increased heart rate, shaking, insomnia, fatigue, and irritability. Substance abuse is continued use of a substance in spite of school-or work-related or interpersonal problems, but the user has not gotten dependent on the substance.The individual who abuses a substance may experience legal problems and may have problems fulfilling responsibilities, such as caring for a child.ithdrawal symptoms vary with the substance, but some symptoms may include increased heart rate, shaking, insomnia, fatigue, and irritability. Substance abuse is continued use of a substance in spite of school-or work-related or interpersonal problems, but the user has not gotten dependent on the substance.
2. (Units) Also called: short ton or net ton US a unit of weight equal to 2000 pounds or 907.184 kilograms. 3. (Units) Also called: metric ton or tonne a unit of weight equal to 1000 kilograms. 4. (Units) Also called: freight ton a unit of volume or weight used for charging or measuring freight in shipping.
A long ton is a ton of 20 cwt of 112 pounds, which is the ton of the Commonwealth countries, such as Australia, New Zealand, and the UK. A short ton is a ton of 20 cwt of 100 pounds, which is the ton of the the USA. A metric ton is a ton of 1000 kgs or 2204 pounds, used in countries that use metric and tons. A long ton is 1016 kgs, a short ton is 907 kgs, a metric ton is 1000 kgs. Views Â· View Upvotes.