What are two major disadvantages to degradable plastics?
What will be an ideal response?
One: The product may degrade before its intended function is completed. Two: The product may degrade into components which are polluting.
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Where is the one location in the hydronic system where air is desirable?
a. piping b.expansion tank c. boiler d. heating element
Answer the following statements true (T) or false (F)
Mtext is drawn within a rectangular box defined by the user.
Air density increases as altitude increases.
Answer the following statement true (T) or false (F)
The objective of ____ analysis is to provide a consistent reference format for the evaluation, estimation, and tracking of construction costs throughout the life of a project-from feasibility through occupancy and use to eventual demolition.
A. assembly B. piece C. labor D. elemental