Parasitism is a relationship in which one organism (the parasite) benefits while the other(the host) is harmed. This is a positive, negative relationship. (Campbell)( Dionne L Rice Jr) The parasite usually lives on or inside the other organism. For example, mosquito is a parasite, feeding on a human while transferring the disease called Malaria.
Artificial brush fibres are most commonly made of nylon and polyethylene, though vinyl and steel wire are also used for certain applications. Nylon fibres are either tapered and split like hog bristles for use in paintbrushes or left untapered for making cleaning brushes, hair brushes, and toothbrushes.
4. Round brush with metal barrel. The reason this is considered one of the best brushes for fine hair styling is that it directs hair away from the head, allowing warm air (from a blow dryer) to be concentrated on the roots. The metal barrel retains heat and helps reduce blow-drying time, which causes frizz. Rounded metal brushes are available in various sizes. Bigger brushes (e.g. 3.5â inches in diameter) are ideal for women with long hair. Smaller brushes measuring 1â to 1 Â½ brushes are optimal for shorter hair.