Search results
Results from the WOW.Com Content Network
Utility poles are usually made out of wood, aluminum alloy, [2] metal, concrete, or composites like fiberglass. A Stobie pole is a multi-purpose pole made of two steel joists held apart by a slab of concrete in the middle, generally found in South Australia .
Fixed telephone lines per 100 inhabitants, 1997–2007. Cross section of telephone cable of 1,800 twisted pairs, 1922. A newer telephone cable used to carry telephone lines from several customers. A telephone line or telephone circuit (or just line or circuit industrywide) is a single-user circuit on a telephone communication system. [1]
Engineer (OSP) climbing a telephone pole. As structural engineers, OSP engineers are responsible for the structural design and placement of cellular towers and telephone poles as well as calculating pole capabilities of existing telephone or power poles onto which new plant is being added. Structural calculations are required when boring under ...
Project Thor was an idea for a weapons system that launches telephone pole-sized kinetic projectiles made from tungsten from Earth's orbit to damage targets on the ground. Jerry Pournelle created the concept while working in operations research at Boeing in the 1950s before becoming a science-fiction writer. [8] [9]
Currently, all creosote-treated wood products—foundation and marine pilings, lumber, posts, railroad ties, timbers, and utility poles—are manufactured using this type of wood preservative. The manufacturing process can only be a pressure process under the supervision of a licensed applicator certified by the State Departments of Agriculture.
A Sunbury home built from telephone poles has hit the market for $1.2 million. Sunbury home made of telephone poles listed for $1.2 million, complete with Tiki hut Skip to main content
For this reason, some utility pole distributors started to offer wood towers to meet the growing demands of 5G infrastructure. In the United States, for example, wood utility pole distributor Bell Lumber & Pole began developing products for the telecommunications industry. [12]
CHICAGO -- Wildlife biologist Chuck Rizzo climbs into what looks like an enormous white bucket and slowly begins to rise. The metal arm of an aerial lift truck propels him higher and higher, above ...