This manual is intended for use by development workers involved in the construction of wells to supply water to a local population for personal consumption. Discussed first are the basic points to consider when planning a well. Various aspects of constructing hand-dug wells are explained, including well design, supplies, the lowering and raising…

This teacher's guide was developed to aid in presenting units on general metal trades to students in Texas. The units are intended to provide students with basic knowledge and skills for each area of instruction in the general metal trades, and with the basic entry-level skills they will need to have in order to enter industry as trained workers.…

This teacher's guide was developed to aid in presenting units on general metal trades to students in Texas. The units are intended to provide students with basic knowledge and skills for each area of instruction in the general metal trades, and with the basic entry-level skills they will need in order to enter industry as trained workers. This…

These national standards are designed to aid contractors, labor, and joint committees in setting up, conducting, and improving apprenticeship programs for individuals seeking to become skilled in the sheet metal industry. Covered in the individual sections are the following topics: the provisions of the apprenticeship standards (definitions,…

This volume is the second in a two-volume core curriculum designed for use in teaching a course in bricklaying. Covered in the first four units are hand tools, power tools, miscellaneous equipment, and builder's levels. The second section of the guide comprises units on the following building materials: mortars, masonry units, and anchors and…