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This film contains two demonstrations: Rippled and Fast Moving Water. Bob begins his demonstrations showing how the paintings are composed and blocked out on the surface. The under painting is developed to establish color and value relationships. Turpenoid is used to scrub in the under tone which creates a preliminary structure for the painting that follows. Next, working from dark to light and thin to thick with layers of clean color, the paintings transition from large simple shapes to small shapes that suggest detail. This is an excellent video for all levels of pastel artists.

Over time, the increased use of fresh water for agriculture and industry together with contamination from discharges of pollutants, mean that ever more areas of the planet are becoming water-stressed. Because of the competing needs of communities and industry for fresh water, industry will be challenged to meet its growing demands for water, which is essential for producing the goods and services that would boost human welfare. Thus industry will need to learn how to cost-effectively purify and recycle its wastewater for reuse, ultimately approaching a net zero-discharge condition. The chapters in this book, written by international experts, treat the technical issues of such treatment and water management, and also provide guidance on technologies, either existing or in development, that can potentially achieve the goal of recycle-reuse. The book will serve as a useful reference for academics, government and industry professionals alike.