Guidelines for organizing parents, school staff, and community members for the purpose of building or redesigning a playground are provided in this document. After brief discussions of needs assessment and what to do in the first planning meeting, the paper focuses on the responsibilities and activities associated with three committees: planning,…

This manual presents a comprehensive training design, suggested procedures, and materials for conducting a workshop in the design, construction, operation, maintenance, and repair of hydrams, and in the planning and implementation of hydram projects. Hydrams (hydraulic rams, hydraulic ram pumps, automatic hydraulic ram pumps, rams) are devices…

This document contains the materials necessary to teach four instructional units on welding that are designed to prepare learners for entry-level employment. The following instructional units are presented: (1) welding materials; (2) welding tools; (3) welding layout and basic skills; and (4) oxyacetylene cutting. The document begins with a copy…

Postoccupancy evaluation is a careful, systematic, and reliable process intended to ensure that findings can be applied to future buildings. Some of the important issues about postoccupancy evaluation are explored using questions that are often asked about this new component in the building delivery system. (MLF)

Ferrocement, a mixture of portland cement, fine sand, and wire mesh, provides an inexpensive medium for creative playground equipment. The steps involved in building a ferrocement playground sculpture are described, and a bibliography for additional information is provided. (JMF)

Instructions are provided for making these simple musical instruments from inexpensive materials: an Indian bull-roarer; bottle chimes; a ham can guitar; flower pot, box, and steel drums; a xylophone; a musical sawhorse; rattles; a melody box; and a box thumb harp. (SJL)

Instructions are provided for the construction of 4.5 foot diameter planetarium shells. (CP)

Constructed and experienced by students engaged in an outdoor education class at East Stroudsburg State College in Pennsylvania, the "Owl Trail" is a self guided rope trail (600 yards in length) employing such devices as sensory corrals, bridges, and "go to" ropes (ropes attached to the main rope which provide side trip…

Describes the construction of models of two-dimensional surfaces with negative curvature that are used to illustrate differences in the triangle sum rule for the various Big Bang Theories of the universe. (JRH)

This book provides the basic knowledge and guides for the construction and operation of a small-scale, family-size biogas unit. The first chapter discusses the benefits of biogas production and the Chinese biogas model. The second chapter shows the components, design formulas, and sizing units of the biogas model. Chapter 3 describes actual…

Describes the construction of a circuit which directly measures current in a coil of superconducting wire. (CP)

Details construction of an inexpensive electronic auditory device in which the resistance in parallel with the device is inversely proportional to the frequency of sound produced. (CP)

Told by a sixth-grade student, the article details the construction of a two meter tall paper mache model of a stegosaurus dinosaur. (CP)