In grade 5, students determined the meaning of general academic and domain-specific words and phrases related to grade level subject matter. In grade 6, they also determine figurative, connotative, and technical meanings of words and phrases. In grade 7, they will continue to do the same, and they. will also analyze the impact of a specific word choice on meaning and tone.
Written by Anne Reagan. May 13, 2014. Polybutylene piping is a form of plastic resin and was commonly used for plumbing U.S. homes built between 1978 and 1995. Due to its inexpensive production cost and ability to withstand high water pressure, it was widely seen as a better, cheaper alternative to copper plumbing.
polybutylene pipe was thought to be the plumbing product of the future in the late 1970s it was cheap flexible and easy to install what was not anticipated was that chlorine in city water supplies attacks the pipe from the inside outbursting polybutylene pipe has caused extensive damage to homes across the countryhe most common place to find polybutylene pipe is in feed pipes for toilets and sinks this gray flexible pipe is still available it was used by many do it yourselfers for routine plumbing maintenance replacing these pipes is easy and inexpensive and can be done by the average homeowner