A screw thread, often shortened to thread, is a helical structure used to convert between rotational and linear movement or force. A screw thread is a ridge wrapped around a cylinder or cone in the form of a helix, with the former being called a straight thread and the latter called a tapered thread. A screw thread is the essential feature of the screw as a simple machine and also as a fastener.
Quick Answer. Tin is an element that is made up of the mineral cassiterite and mined from the crust of the earth. The combination of cassiterite and carbon in a high heat setting forms the type of tin that is used in modern applications. Continue Reading.
TIN, or Tax Identification Number, is a nine digit number issued to companies for tax purposes, and this number represents the status of the company with the internal revenue services. This number is given to a company to make the issue of creating and taking care of the business at hand more effective and efficient.he basic difference between EIN and TIN, is that the Tax Identification Number is used for the tax purposes of the company, and when that same number is used to record the taxes of the employees, it is called EIN. 2.