Other kinds of welding. Some kinds of welding do not use an electric arc. They might use a flame, electricity without an arc, an energy beam, or physical force. The most common type of welding that does not use an arc is called gas welding.
TDW - Total Diamond Weight. A term usually used when there is more than one diamond in a particular piece of jewelry. The combined weight of all of the (diamond) stones.
Tax deducted at source (TDS) is a tax that is deducted from income that a company in India pays to a recipient or supplier if the income amount exceeds a specific statutory limit in a financial year.