In India, where the drink is simply called lime soda and usually served without ice, it's ordered one of three ways: sweet, salty, or a combo of salty-sweet. Just like it sounds, the only change is swapping out a small amount of salt for the sugar or using salt and sugar in combination.
Gauze used as a medical dressing is usually made of cotton. Medical gauze is useful for dressing wounds where other fabrics might stick to the wound. Gauze can be coated with polymers that inhibit sticking even further.
Anvils were mainly used in the medieval times and what they were used for is when a blacksmith was making a sword he would heat up the sword and shape it with a metal mallet. The funny shaped things are not anvils but rather cleats. You tie the boat to the cleat for obvious reasons and the cleats are mainly made of iron.