Over the course of October at London Heathrow Airport, the length of the day is rapidly decreasing. From the start to the end of the month, the length of the day decreases by 1 hour, 54 minutes, implying an average daily decrease of 3 minutes, 48 seconds, and weekly decrease of 26 minutes, 35 seconds.
Polyester is a synthetic fiber derived from coal, air, water, and petroleum. Developed in a 20th-century laboratory, polyester fibers are formed from a chemical reaction between an acid and alcohol.
The advantage of cotton blends. Cotton blends take the benefits of synthetic polyester, also known as âpoly,â for a boost of durability. Not only will you be able to wear these blended tees longer than 100% cotton ones, but the color is more vibrant and the wrinkles are nonexistent.