Butyl rubber and EPDM (ethylene propylene diene monomer - a synthetic rubber) are the two best flexible liners for water garden construction. Each of these materials is UV stable and should last 20 years or more. EPDM and butyl rubber are generally available in 45 mil and 60- or 30-mil thicknesses, respectively.
human behavior. The capacity of mental, physical, emotional, and social activities experienced during the five stages of a human being's life-prenatal, infancy, childhood, adolescence, and adulthood.
The definition of consumer behavior is the study of how, where, when and why people buy, use and get rid of products or services. An example of consumer behavior is the study of where and when people buy a new type of kitchen gadget. 1  Link/Cite.  Dictionary.