Nylon yarn is a synthetic material yarn that can be made to resemble the look and feel of many natural fibers. Originally, nylon was created as a substitute for silk when the latter material became difficult to obtain. Nylon is strong, slightly stretchy, and generally cheaper than natural fiber yarns. This makes nylon good for many types of knitting projects. It is also usually easy to work with, so it may be a good material choice for beginner knitters. http://www.seagorcare.com/nylon-yarn/

One good reason to choose plastic protective vents is safety because metal has sharp edges. Plastic vent doesn't have seams, rivets and welding. These give less potential for water to get in, or for an installer to injure themselves. What's more, plastic protective vents won't lead to more condensation with temperature changes. And also, the plastic protective vents won't corrode and rust. http://www.srlvents.com/protective-vents/plastic-protective-vents/

Flyknit running shoes are designed to be light and comfortable. Unlike basketball shoes, these types of shoes are designed to endure long distances rather than short bursts of speed and sudden changes in direction. The most common type of running shoes are known as road running shoes, which are designed for pavement running. Extremely light and flexible, running shoes are designed to cushion and stabilize your during long runs utilizing repetitive slides. http://www.tssportshoes.com/running-shoes/flyknit-running-shoes/

Copper alloy is alloy based on copper, in which the main alloying elements are Zn, Sn, Si, Al, Ni. Cu-based alloys constitute mostly substitutional solid solutions. High purity copper is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. Alloy steel is a type of steel made from different metal alloys that come from iron, carbon, and high amounts of other elements. It's one of the most popular types of metal, and it's called alloy steel because of the elements used to make alloy steel form alloys when mixed. http://www.chinamic-6.com/copper-alloy/

The oil pressing production machine is used to extract oil from edible as well as non-edible oil seeds and nuts. With worm shaft assembly in forged carbon steel / stainless steel overlayed with chromium carbide hardfacing electrode, the machine features superior wear life. The machine features triple state helical reduction gear box with split casing contributing to easy maintenance. What's more, the machine features protective covering for spatter-proof and dust-proof operation. http://www.ever-prosperous.com/oil-production-machine/oil-pressing-production-machine/

The nuts roasting machine is used to roast all kinds of dry fruits and nuts automatically. It adopts unique horizontal roller structure, uniform heating, good sealing to effectively roast food. It has electricity heating type and gas/coal heating type. Spring roll machinery is a device that uses flour mixed with water to make a round cake. It consists of a frame, pneumatic components, electrical components, heating elements, and shaped abrasives which mainly used for the baking of duck cake, egg cake, and other varieties of cakes. http://www.gelgoogmachine.com/peanut-butter-machinery/roaster-machine/

Video picture frame offers many advantages over traditional photo frames. You can display lots of photos and videos without filling every inch of your walls/shelves with frames. You save time and money by not having to get your photos printed. What's more, you can choose which photos to display depending on your mood or the occasion. For instance, you could display your wedding photos on your anniversary. In faster interval modes, you can use a digital frame to show friends and family a slideshow of a recent holiday or event. http://www.gpx-digitalsignage.com/video-picture-frame/

A li ion battery cell is an advanced battery technology that uses lithium ions as a key component of its electrochemistry. During a discharge cycle, lithium atoms in the anode are ionized and separated from their electrons. Cylindrical battery, as the name suggests, features electrodes that are encased in a cylindrical cell that is wound very tightly within a specially designed metal casing. This unique makeup helps to minimize the chances that the electrode material inside will break up, even under the heaviest of use conditions. http://www.ionlibattery.com/li-ion-battery-cell/

A massage gun is a small handheld device, that's used to increase flexibility, range of motion, and accelerate recovery. Massage guns provide a type of vibration therapy, targeting specific areas of soreness, through self-application. With the consistent use of massage guns, the joints will be more flexible and less prone to strains and sprains. The relaxed muscles and fascial tissue and improved blood circulation work together to improve flexibility and range of motion of the body. http://www.junpusports.com/massage-gun/