Ads
related to: metal pole arm design for outdoor umbrella
Search results
Results From The WOW.Com Content Network
An umbrella antenna consists of a central radiating tower with multiple wires attached at the top as a "capacitance hat", that extend out radially from the mast and are insulated at their ends; the overhead configuration resembles an open metal umbrella frame, hence the name "umbrella" antenna.
An umbrella or parasol is a folding canopy supported by wooden or metal ribs that is mounted on a wooden, metal, or plastic pole. It is usually designed to protect a person against rain . The term umbrella is traditionally used when protecting oneself from rain, while parasol is used when protecting oneself from sunlight, though the terms ...
The design assumes that the captured person wears armor to protect him against the metal prongs, which could easily hurt the neck of a person without armor. The man catcher was also used to trap and contain violent prisoners. [2] Similarly, the Japanese sodegarami, tsukubō, and sasumata were used by Edo-era law enforcement for apprehending ...
A polearm or pole weapon is a close combat weapon in which the main fighting part of the weapon is fitted to the end of a long shaft, typically of wood, extending the user's effective range and striking power. Polearms are predominantly melee weapons, with a subclass of spear-like designs fit for thrusting and/or throwing.
The shade of each umbrella is extended in the four corners, with a total area covered of 143,000 square meters. These umbrellas are aimed to protect worshipers from the heat of the sun during prayer, as well as from the risk of slipping and falling in the event of rain. Similar structures are built at the square of the mosques worldwide.
A Roman poet Lucretius, in 50 BC, said "Linen-awning, stretched, over mighty theatres, gives forth at times, a cracking roar, when much 'tis beaten about, betwixt the poles and cross-beams". Among the most significant awnings in the ancient world was the velarium , the massive complex of retractable shade structures that could be deployed above ...