Cable that consists of electrical conductors insulated with compressed mineral refractory material and then enclosed in a liquid and gas tight copper sheathing. Other than where copper can become corroded, this cable usable in wet, dry, hazardous, explosive, etc. locations.
An agreement that provides the lessee the right to excavate and sell minerals on the property of the lessor or to remove and sell petroleum and natural gas from the pool underlying the property of the lessor. In return, the lessor receives a royalty payment based on the value of the minerals removed.
This arch, also called a flat arch, straight arch, jack arch, segmented arch, or multicentered arch, has a horizontal top surface, with a span of up to 6 feet, can support loads up to 1,000 pounds per square foot, with a rise to span ratio of 0.15 or less.
1. A kind of joint formed by fitting together two pieces, beveled to a specific angle (normally 45 degrees) to form a corner, usually at a right angle.
2. Bend in a pipe created by cutting it at an angle and welding it together.