Gate valves are used to isolate parts of a vacuum extraction system, often in dust extraction systems in wood shops. They consist of a sliding or rotating plate and are manually or automatically operated. They maximize vacuum pressure and efficiency, and are simple in design. In complex systems, they may be remotely operated with a […]
Gate valves block flow using a sliding wedge. They are designed to be fully open or closed and are not used for flow control. They have two connectors and a hood with a handle for raising and lowering the cap. The method of connecting the cover impacts use. A properly designed valve should have no […]
Pedestrian gates are designed to control access for people, often through a narrow design that prevents vehicles from passing. They are used in various contexts, from residential courtyards to transit stations, and can include turnstiles and kissing gates. Some gates are low, while others are taller for added security or privacy. A pedestrian gate is […]
The Brandenburg Gate, commissioned by King Frederick William II and built by Carl Gotthard Langhans, is a famous symbol of peace, freedom, and unity in Germany. It has represented various regimes throughout history, including the Nazis and the Iron Curtain, but now stands as a reminder of the fall of the Berlin Wall. The gate […]
Gate valve actuators are mechanical devices used to remotely open and close gate valves, driven by electric motors. These actuators are commonly used in unattended or remote installations. Gate valves are fluid control mechanisms that use a flat, round disc or gate to obstruct or open the fluid flow path. Motorized gate actuators consist of […]
Roller gates use wheels to make them portable and collapsible. They can be used to protect areas from outside interference or enclose specific areas, such as in the event of a dangerous spill. They are used in large-scale applications, such as runway closures or military base exercises, and in many major airports around the world. […]
The Golden Gate Bridge in San Francisco is not gold, but painted in International Orange for visibility in foggy conditions. The U.S. military wanted stripes, with the Navy pushing for black and yellow and the Air Force for red and white. The bridge was built over the Golden Gate Strait and opened in 1937, with […]
Gate actuators are mechanical devices used to remotely open gates, mainly for security and convenience. They are electrically powered and can be operated using a remote control key fob or a key card. They are typically driven by electric motors and can be used on various gate types, including vehicular and pedestrian entrances. The actuator […]
Cloud Gate, a large public sculpture in Millennium Park, Chicago, was designed by British sculptor Anish Kapoor. The elliptical steel structure has a mirrored surface and is known as the ‘bean’. Visitors can walk underneath the sculpture and see distorted reflections of themselves. Construction took four months, and the sculpture was unveiled in 2004. An […]
Golden Gate Park is a large park in San Francisco, California, bigger than Central Park and the third most visited park in the US. It has many natural and man-made features, including lakes, gardens, museums, and a bison herd. The park played a significant role in the peace movement in the 1960s. It is free […]
Logic gates are components of digital circuits that define a logical sequence of actions. There are seven configurations of logic gates, each handling different logic response combinations. Examples include the AND gate, OR gate, exclusive OR gate, NOT gate, NAND gate, logical NOR gate, and XNOR gate. These gates perform various operations and can be […]
A call gate is a processor function that allows code to temporarily act as if it were a higher-privileged program. It provides faster response times but can also be exploited by unauthorized programs. Call gates can be attacked by viruses, so it’s important to keep operating systems updated. Newer methods are generally faster but only […]
A flanged gate valve has integral flange plates at each end, allowing it to be easily added to existing pipe flanges. It features a circular disc that controls fluid flow and is commonly used in industrial settings. The valve can be mounted by aligning the holes in the flanges and tightening bolts. It is typically […]
Gate agents provide customer service, handle ticket sales, manage baggage, and issue seat assignments. They require customer service experience and a high school diploma. Airlines prefer candidates with customer service experience. Gate agent jobs can be found on airline websites and require a background check. Hired by airports and airlines to perform a variety of […]
Gate operators are mechanical devices that automatically open and close gates. They are powered by electricity or solar power and come in different types, including lift, slide, swing, and trolley. They are commonly used in high-security areas, residential environments, and car parks. Gate operators have limit switches and obstacle sensors for safety and can be […]
The Golden Gate Bridge, an iconic red suspension bridge connecting San Francisco and Marin County, was opened in 1937 and remains a symbol of American engineering. Designed by Irving Morrow, it incorporates Art Deco elements and rises 746 feet above the bay water. The bridge employs full-time painters and iron workers for maintenance. It has […]
The Ishtar Gate was built in the sixth century BC by Nebuchadnezzar II in Babylon. It was dedicated to the goddess Ishtar and was a popular site for processions. Parts of the gate were found in 1899 and reconstructed in the Pergamon Museum in Berlin. The gate is now a popular tourist attraction. The Ishtar […]
A kissing gate is a unique gate design used on farms and ranches to allow human passage while preventing livestock from using the same gate. It has a swing movement and creates an intermediate space. The name may come from the gate mechanism or a game associated with its use. Kissing gates are functional for […]
The pound sign has different meanings in different countries. In the UK, it refers to the symbol “£” for British money, while in the US, it usually denotes the “#” symbol. The pound symbol in the UK comes from the word libra, which refers to an older form of currency valued by weight. The abbreviation […]
