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.
human, humane (see synonym study at the current entry) Synonym Study Expand. 1. Human, humane may refer to that which is, or should be, characteristic of human beings. In thus describing characteristics, human may refer to good and bad traits of a person alike (human kindness; human weakness). When emphasis is placed upon the latter, human is thought of as contrasted to divine: To err is human, to forgive divine. He was only human.