Later, circular needles were invented, which can also be used to knit in the round: the circular needle looks like two short knitting needles connected by a cable between them. Longer circular needles can be used to produce narrow tubes of knitting for socks, mittens, and other items using the Magic Loop technique.
There are a variety of factors that can lead to burning and itching of the eyes. Eye irritation can develop as a result of environmental factors, allergies, underlying medical conditions, age or the use of medications. Common causes of burning and itching eyes may include environmental factors such as: Dust.
Other things that can make your eyes red and itchy include tobacco smoke, chlorinated pool water, and even the air around indoor pools. Solution: Rinse your eyes with clean, warm water, and use artificial tears to soothe them. Foreign objects: Sand, dirt, and sawdust can make you weepy.