If the laser emits in the visible region then the radiation is perceived as a single colour. The wavelength of light is usually measured in nanometres, or one-thousand-millionth of a metre and is abbreviated to â. â.
A shower or tub equipped with a showerhead shall have a minimum ceiling height of 6 feet 8 inches (2036 mm) above a minimum area 30 inches (762 mm) by 30 inches (762 mm) at the showerhead. The tub/shower is set in an alcove that has as a partial sloped ceiling.
With a standard shower curtain height at 70 or 72 inches, adding a few inches will give you a good indication about your shower curtain rod height. With a standard shower curtain of 72 inches long, the curtain rod should be installed around 75 to 77 inches from the floor.