What’s Olefin?

Olefin is a synthetic fiber created from ethylene and/or propylene gases under specific conditions. It is durable, lightweight, and resistant to wear, stains, and color. It is used in a wide range of products, including sportswear, upholstery, carpeting, and diapers. It is environmentally friendly and easily recyclable. However, it is flammable and sensitive to heat. […]

What’s a decubitus ulcer?

Pressure ulcers occur when pressure is placed on the skin, muscles, soft tissue, and bones, affecting those who are bedridden, incontinent, elderly, and in poor health. Treatment depends on the stage of the wound and the patient’s condition, including wound cleaning, topical preparations, surgery, and antibiotics. Turning and repositioning every two hours, special mattresses, and […]

What’s borosilicate glass?

Borosilicate glass is a durable type of glass that can withstand extreme temperatures and chemical corrosion, making it popular in scientific instrument making. It was invented by Otto Schott in the 19th century and was once used for kitchenware. It is now mostly used for laboratory glassware and high-precision lenses. It is resistant to chemical […]

What’s a C. difficile infection?

Clostridium difficile is a bacteria found in the digestive tract that can cause infection, especially in those who have recently taken antibiotics. Symptoms include diarrhea and abdominal cramps, and severe cases can lead to complications such as kidney failure or even death. Treatment involves stopping antibiotics and possibly taking probiotics or a different antibiotic. Precautions […]

What’s a private closed economy?

A closed private economy is one where a country doesn’t allow external economies to affect domestic economic practices, but it can lead to underdeveloped economies. Autarchy is a common feature, and chauvinism and patriotism can form the basis of a mindset for the country’s economy. A closed private economy is one in which a country […]

What’s “Kick Start” mean?

Jump starting is a method of starting an internal combustion engine, commonly used on motorcycles and ATVs. Electric starters have largely replaced jump starting, but off-road motorcycles often use kick starters to save weight. Kick starters can be difficult and even dangerous for some riders. A jump start is a method of starting an internal […]

What’s a Straw-Ban Smoothie?

The banana-strawberry smoothie is a popular drink among fitness enthusiasts and dieters. It can be made with various ingredients, including dairy products, juices, and protein powders. Other fruit combinations, such as mango and pineapple, are also popular. The smoothie has grown to iconic status around the world, mostly on the backs of fitness enthusiasts and […]

What’s blister packaging?

Blister packaging is popular with manufacturers as it is highly visible, reduces packaging costs, and prevents shoplifting. Single-dose strips of pharmaceutical products are the most user-friendly, while clamshell packaging is the most loathed and can cause injuries. The Open X® device was created to safely open clamshell blister packs but is only sold in a […]

What’s a ram air intake?

Ram air intake systems force outside air into the engine, increasing horsepower in high-performance vehicles. The system captures airflow through a scoop on the hood or front of the car, and is also used in motorcycles and off-road vehicles. It was introduced in the 1960s and is often combined with supercharger systems in drag racing […]

What’s gypsum cement?

Gypsum cement is a strong, durable plaster used for drywall, flooring, ceilings, sculptures and effigies. It is made by burning raw gypsum and mixing it with alum. It is lighter and more fire-resistant than Portland cement and can be used for building heavy structures and artistic works. Gypsum cement is a type of plaster composed […]

What’s a prop auction?

Backer rods are foam rods used to fill joints between building materials. They add stability, accuracy, and save time. Open cell rods are best for indoor use, while closed cell rods are better for outdoor use. They allow building materials to move and flex based on environmental factors. They are not essential but are useful. […]

What’s the heading indicator?

A heading indicator is a flight instrument that informs the pilot of the aircraft’s direction. It is more accurate and reliable than a magnetic compass and can integrate additional information. However, it requires readjustments and is subject to errors. Fitted to most modern aircraft cockpits, a heading indicator is a flight instrument designed to inform […]

What’s Flatwork?

Concrete flatwork includes horizontal concrete surfaces such as floors, stairs, patios, sidewalks, and driveways. It requires basic tools and skills, while vertical structures require engineering and reinforcement. Contractors excavate the ground, use molds, and pour concrete to create flatwork. DIY projects are possible, but larger projects require experienced contractors. Concrete can be textured or patterned […]

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