Duolingo is the world's largest online language learning platform. It was recognized as Apple's iPhone App of the Year of 2013 as well as Google Play's Best of the Best of 2013 and 2014. Duolingo's adaptive experience has gamified elements to make language learning more fun and effective. 100 million students are learning a language with Duolingo.
Waft is a reference used in the textiles industry to descibe the horizontal lines of thread on a loom used to create textiles. It is also a nautical term for tying an ensign iâ¦n a knot to indicate distress which is nolonger used.
A sieve, or sifter, is a device for separating wanted elements from unwanted material or for characterizing the particle size distribution of a sample, typically using a woven screen such as a mesh or net. The word sift derives from sieve. In cooking, a sifter is used to separate and break up clumps in dry ingredients such as flour, as well as to aerate and combine them. A strainer is a form of sieve used to separate solids from liquid.