Flex tree saddles have a flexible skeletal frame that accommodates the horse and rider’s movement. The tree bar should fit close to the horse’s shoulders and around his back, without touching his spine. The innovative design allows more freedom for the horse, puts less force on pressure points, and adjusts to fit when riding. The […]
Shaft mining is a process to access underground mining facilities. The central shaft, known as a service cage, transports personnel and has branches called levels or galleries. Skip buckets transport ore and caissons provide water, fuel, and ventilation. A butt frame raises and lowers winch elevators, while head frames store ores. Shaft mining, also known […]
Felling trees is a dangerous job that should be left to professionals. It involves planning, using a chainsaw, and considering factors such as the slope and lean of the tree. Falling trees can also pose risks such as getting stuck in other trees or structures and causing debris to fly. Extreme caution and proper protective […]
In northeastern India, local tribes have been using rubber tree roots threaded through areca palm canes to build living bridges for 180 years. These bridges can take up to 20 years to grow and can support up to 50 people. They get stronger over time and rarely require maintenance, but the practice has declined in […]
The “Tree of Ténéré” was the only tree in the Tenéré Desert for 300 years. It was a landmark for travelers and had roots reaching 131 meters into the ground. It was killed by a truck driver in 1939 and its remains are now on display in the Niger National Museum. The “Tree of Ténéré” […]
Tree crops are groves or orchards grown for economic or environmental benefits. Fruit and nut trees are common, but trees can also be grown for other purposes. Tree crops can be grown in large quantities or for small businesses and family farms. They can also be used for agricultural experimentation, hybridization, and environmental recovery. Different […]
A decision tree analysis is a method used by companies to make decisions, showing all possible outcomes and their hypothetical values. It helps track contingencies and determine the best way forward based on probabilities. A decision tree analysis is a method used by companies to make decisions using a graph that shows all the possible […]
A cross tree is a structural support on a sailing vessel that supports the mast. It is made of durable timbers and is carefully fixed in place to withstand harsh conditions. Replacement is ideally done in a shipyard. A cross tree is a structural support on a sailing vessel, used to support the lines, known […]
Donor trees are recognition tools used to honor contributors to a charity or cause. Participants receive leaves with their names and donation level information. Donor trees can be made from various materials and can attract potential donors. Different sheet colors can distinguish between donation levels, and some projects have space for company logos. Metal trees […]
Tree melons, including papaya and pepinos, are fruit-bearing plants native to South America. They can be found in grocery stores and grown in tropical climates. They can be used in a variety of recipes and should be selected based on their weight and appearance. Gardeners in USDA zones nine through 11 can grow tree melons […]
Shafts transfer rotational force from engines to machinery components. Proper alignment is crucial for efficiency and machine life. There are two types of alignment: angular and staggered. Misalignment causes excessive noise, vibration, and engine failure. Compound alignment techniques are used to adjust shafts in both planes simultaneously. A shaft is a cylindrical piece of steel […]
Tree farms are privately owned forests that grow trees for selling wood, while also providing benefits like wildlife habitat and water quality. They offer a sustainable source of wood and can reduce deforestation. Christmas tree farms are popular, but other types exist for paper and lumber. Tree farmers can get certified for sustainable practices through […]
The Douglas fir is the state tree of Oregon and a valuable resource for the lumber and paper industries, providing jobs for many Oregonians. It grows primarily in the western half of the state and has a distinctive triangular shape with flat needles and brown cones. Logging led to a boom in the economy, but […]
The state tree of Arizona is the palo verde, with two species found in the region. They are deciduous trees that bloom yellow flowers in spring and have green branches that help with photosynthesis during dry periods. The leaves and pods are food for various animals, and the tree has cultural and practical uses. The […]
The bald cypress is Louisiana’s state tree, known for its ability to grow in swamps and clay soil. It attracts birds and wildlife, and its wood is resistant to decay. The tree can grow up to 120 feet and is found in other states besides Louisiana. The bald cypress is the state tree of Louisiana […]
The state tree of Minnesota is the Norway pine, also known as red pine. It is called “Norwegian pine” due to its resemblance to trees in Norway and historical significance to the state. It is commonly used for lumber and resistant to disease and pests. Norway pine, or red pine, is the state tree of […]
A shaft press is a small press used for precision work and installing bearings, classified by the load it can place on an object. It is used in machine shops for installing pistons, gudgeon pins, universal joints, and wheel bearings. The arbor press is a hand-operated hydraulic ram used for pressing parts into place. Accurate […]
Joshua Tree National Park in Southern California is a desert park with over 800 plant species and various animals. It includes historic structures, archaeological sites, and museum collections. Visitors can enjoy wildlife, plant life, self-guided nature walks, mountain biking, hiking, rock climbing, and guided tours. Camping is available, but no hookups or showers. Visitors must […]
The Indiana state tree, also known as the tulip poplar or Liriodendron tulipifera, is a type of magnolia with yellow tulip-like flowers. Its wood is used for lumber and it can grow up to 197 feet tall. The tree is also used for making canoes, furniture parts, boxes, paper, and plywood. It attracts hummingbirds and […]
Washington selected the western hemlock as its state tree in 1947 after an Oregon newspaper mocked the state for not having one. The tree is long-lived and can resist woolly adelgid, a pest that damages other hemlock trees. It is also a significant source of timber and was used by Native Americans for dye and […]
