Also known as: val.
VAL has various meanings in the Science category. Discover the full forms, definitions, and usage contexts of VAL in Science.
The internal angle formed by two inclined slopes of a roof of an internal corner. The angle formed by two sloping sides of a roof. OR The āVā shaped area of a roof where two sloping roofs meet. Water drains off the roof at the valleys. The meeting of two roof planes at an internal angle; the rafter which forms the junction. The area formed between the ridges of two adjoined roofs.
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