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Form Boundaries: In making piece molds of plaster of paris from a clay or wax model, the division of the sections is obtained by inserting fences (thin strips of metal) into the model where such divisions are needed. If the model be of plaster or some other hard substance, area separators (thin strips of clay) are put on the model to form boundaries the boundaries of the sections. The separation of the sections in the metal casting technique, known as the sand-mold process, is achieved by applying thin layers of nonfusable material at the section boundaries.
WITH GARDENS a sense of enclosure is important. On small lots the boundaries may be those of the property or even plantings or other pleasant features on a neighbor's property, for when I speak of boundaries I mean not those of the lot but those that limit the view. On larger grounds the boundaries to views may be well within the property lines.
Boundaries are of many kinds. Never install one that gives any suggestion of being a spite fence. Many American communities are characterized by a complete absence of fences, walls or hedges around front yards; and grounds of all houses on the street merge into one delightful park-like picture of lawns, trees and shrubbery. If you live in such a community think well before you introduce what is likely to be an incongruous note by sharply defining lot boundaries seen from the street. The mere suggestion of definition by the skill-ful use of a flowering tree, shade tree, evergreen or clumps of shrubs is the most be done and ev.en then great restraint is needed.
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