Example-IP Rating. With the IP rating IP 54, 5 describes the level of protection from solid objects and 4 describes the level of protection from liquids. An X can used for one of the digits if there is only one class of protection, i.e.IPX1 which addresses protection against vertically falling drops of water e.g. condensation..ith the IP rating IP 54, 5 describes the level of protection from solid objects and 4 describes the level of protection from liquids.
The bladder is the organ that stores urine. Urine is made in the kidneys and passes to the bladder down two tubes called the ureters. The bladder is a stretchy bag made of muscle tissue. It can store about 500mls (or 3 cups) of urine.rine is made in the kidneys and passes to the bladder down two tubes called the ureters. The bladder is a stretchy bag made of muscle tissue. It can store about 500mls (or 3 cups) of urine.
The trachea is made up of the following tissues: 1. mucosa-inner layer made up of Pseudostratified ciliated columnar epithelium 2. submucosa-middle layer which has zero muc â¦ us glands and it is made up of connective tissue 3. adventila-outer layer made up of hyaline cartilage.23 people found this useful.he trachea is made of cartilage.   The trachea, or windpipe, is the bony tube that connects the nose and mouth to the lungs, and is an important part of the vertebrate respiratory system. + 66 others found this useful. Annette Pacheco. Alexander Rowan.