HAT'S UP Can you imagine life without accuracy and exactness? What if measurement tools
ere not invented or discovered by men? What do you think our infrastructures and
cilities would look like? Draw a plumbing system without measurement in the box.
In plumbing, proper measurement and calculation are required to ensure that standard
applied and achieved. Given that plumbing facilitates distribution of freshwater an
noval of wastewater, it is a must that each task to be undertaken is accurately measure
1 calculated. In this lesson, you will learn how measurement works in plumbing.

When early motion pictures played in movie theaters, they were often accompanied by live organ or piano music. which of the following are the most likely reasons that this happened? (select all that apply). the music was provided to distract audience members from the loud sounds made when filmstrips were changed. the music accompanied the movies because the movies were silent and audiences were used to hearing music during plays in theaters. the music usually was played before, and sometimes after the movie, as an alternative form of entertainment. the music viewers to interpret the dramatic action in the films.