This approach is similar to that of practical atheism. Currying is useful in both practical and theoretical settings. These characteristics are of great practical and economic importance. The report focused more on research than practical education. The particular choice of materials depended upon practical, aesthetical and symbolic considerations. His laboratory became renowned as a model institution for the teaching of practical chemistry. Students learn a variety of fine and practical arts. He wanted it to be extremely practical and interesting to read. They are tools meant to be used in practical applications. They are used for many reasons, both practical and academic. Yet others cite aesthetic reasons in addition to the practical ones. Few projections in practical use are perspective. Kachera follow a generally practical and roomy design. The former is concerned with philosophy, the latter with practical demonstration. It is thus more of an intellectual curiosity than something practical.