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X-acto
X-Acto is a brand name for a variety of cutting tools and office products owned by Elmer's Products, Inc. Cutting tools include hobby and utility knives, saws, carving tools and many small-scale precision knives used for crafts and other applications. X-Acto knife An X-Acto knife may be called an Exacto knife, utility knife, precision knife, or hobby knife. It is a blade mounted on a pen-like aluminum body, used for crafting and hobbies, such as modelmaking. Before the availability of digital image- and text-processing tools, preparing camera-ready art for use in printing (literal cut and paste or paste up) depended heavily on the use of knives like the X-Acto for trimming and manipulating slips of paper. A knurled collar loosens and tightens an aluminum collet with one slot, which holds a replaceable blade. There are numerous other knives on the market with very similar designs. Blades are typically interchangeable between different brands. History The original knife w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Knife
A knife ( : knives; from Old Norse 'knife, dirk') is a tool or weapon with a cutting edge or blade, usually attached to a handle or hilt. One of the earliest tools used by humanity, knives appeared at least 2.5 million years ago, as evidenced by the Oldowan tools. Originally made of wood, bone, and stone (such as flint and obsidian), over the centuries, in step with improvements in both metallurgy and manufacturing, knife blades have been made from copper, bronze, iron, steel, ceramic, and titanium. Most modern knives have either fixed or folding blades; blade patterns and styles vary by maker and country of origin. Knives can serve various purposes. Hunters use a hunting knife, soldiers use the combat knife, scouts, campers, and hikers carry a pocket knife; there are kitchen knives for preparing foods (the chef's knife, the paring knife, bread knife, cleaver), table knives ( butter knives and steak knives), weapons ( daggers or switchblades), knives for thr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Scalpel
A scalpel, lancet, or bistoury is a small and extremely sharp bladed instrument used for surgery, anatomical dissection, podiatry and various arts and crafts (either called a hobby knife or an X-acto knife.). Scalpels may be single-use disposable or re-usable. Re-usable scalpels can have permanently attached blades that can be sharpened or, more commonly, removable single-use blades. Disposable scalpels usually have a plastic handle with an extensible blade (like a utility knife) and are used once, then the entire instrument is discarded. Scalpel blades are usually individually packed in sterile pouches but are also offered non-sterile. Double-edged scalpels are referred to as "lancets". Scalpel blades are usually made of hardened and tempered steel, stainless steel, or high carbon steel; in addition, titanium, ceramic, diamond and even obsidian knives are not uncommon. For example, when performing surgery under MRI guidance, steel blades are unusable (the blades would be d ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Aluminum
Aluminium (aluminum in American and Canadian English) is a chemical element with the symbol Al and atomic number 13. Aluminium has a density lower than those of other common metals, at approximately one third that of steel. It has a great affinity towards oxygen, and forms a protective layer of oxide on the surface when exposed to air. Aluminium visually resembles silver, both in its color and in its great ability to reflect light. It is soft, non-magnetic and ductile. It has one stable isotope, 27Al; this isotope is very common, making aluminium the twelfth most common element in the Universe. The radioactivity of 26Al is used in radiodating. Chemically, aluminium is a post-transition metal in the boron group; as is common for the group, aluminium forms compounds primarily in the +3 oxidation state. The aluminium cation Al3+ is small and highly charged; as such, it is polarizing, and bonds aluminium forms tend towards covalency. The strong affinity towa ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Handicraft
A handicraft, sometimes more precisely expressed as artisanal handicraft or handmade, is any of a wide variety of types of work where useful and decorative objects are made completely by one’s hand or by using only simple, non-automated related tools like scissors, carving implements, or hooks. It is a traditional main sector of craft making and applies to a wide range of creative and design activities that are related to making things with one's hands and skill, including work with textiles, moldable and rigid materials, paper, plant fibers,clay etc. One of the oldest handicraft is Dhokra; this is a sort of metal casting that has been used in India for over 4,000 years and is still used. In Iranian Baluchistan, women still make red ware hand-made pottery with dotted ornaments, much similar to the 5000-year-old pottery tradition of Kalpurgan, an archaeological site near the village. Usually, the term is applied to traditional techniques of creating items (whether for perso ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Montreal
Montreal ( ; officially Montréal, ) is the second-most populous city in Canada and most populous city in the Canadian province of Quebec. Founded in 1642 as '' Ville-Marie'', or "City of Mary", it is named after Mount Royal, the triple-peaked hill around which the early city of Ville-Marie is built. The city is centred on the Island of Montreal, which obtained its name from the same origin as the city, and a few much smaller peripheral islands, the largest of which is Île Bizard. The city is east of the national capital Ottawa, and southwest of the provincial capital, Quebec City. As of 2021, the city had a population of 1,762,949, and a metropolitan population of 4,291,732, making it the second-largest city, and second-largest metropolitan area in Canada. French is the city's official language. In 2021, it was spoken at home by 59.1% of the population and 69.2% in the Montreal Census Metropolitan Area. Overall, 85.7% of the population of the city of Montreal co ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Murder Of Lin Jun
In May 2012, Jun Lin (December 30, 1978 – May 24/25, 2012), a university student, was fatally stabbed and dismembered in Montreal, Canada, by Luka Rocco Magnotta, who then mailed Lin's hands and feet to elementary schools and federal political party offices. After a video depicting the murder was posted online, Magnotta fled Canada, becoming the subject of an Interpol Red Notice and prompting an international manhunt. In June 2012, he was arrested in an internet café in Berlin. In December 2014, after eight days of deliberations, a jury convicted him of first-degree murder. Magnotta was given a mandatory life sentence and 19 years for other charges, to be served concurrently. Magnotta was previously sought by animal rights groups for uploading videos of himself killing kittens. Victim Jun Lin (), also known as Justin Lin, was born on December 30, 1978, and came from Wuhan. He had come to Canada in 2010 with the intention of starting a new life there and to study computer en ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mechanical Fan
A fan is a powered machine used to create a flow of air. A fan consists of a rotating arrangement of vanes or blades, generally made of wood, plastic, or metal, which act on the air. The rotating assembly of blades and hub is known as an ''impeller'', ''rotor'', or ''runner''. Usually, it is contained within some form of housing, or case. This may direct the airflow, or increase safety by preventing objects from contacting the fan blades. Most fans are powered by electric motors, but other sources of power may be used, including hydraulic motors, handcranks, and internal combustion engines. Mechanically, a fan can be any revolving vane, or vanes used for producing currents of air. Fans produce air flows with high volume and low pressure (although higher than ambient pressure), as opposed to compressors which produce high pressures at a comparatively low volume. A fan blade will often rotate when exposed to an air-fluid stream, and devices that take advantage of this, such a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Heater
Heating, ventilation, and air conditioning (HVAC) is the use of various technologies to control the temperature, humidity, and purity of the air in an enclosed space. Its goal is to provide thermal comfort and acceptable indoor air quality. HVAC system design is a subdiscipline of mechanical engineering, based on the principles of thermodynamics, fluid mechanics, and heat transfer. "Refrigeration" is sometimes added to the field's abbreviation as HVAC&R or HVACR, or "ventilation" is dropped, as in HACR (as in the designation of HACR-rated circuit breakers). HVAC is an important part of residential structures such as single family homes, apartment buildings, hotels, and senior living facilities; medium to large industrial and office buildings such as skyscrapers and hospitals; vehicles such as cars, trains, airplanes, ships and submarines; and in marine environments, where safe and healthy building conditions are regulated with respect to temperature and humidity, using fre ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Stapler
A stapler is a mechanical device that joins pages of paper or similar material by driving a thin metal staple through the sheets and folding the ends. Staplers are widely used in government, business, offices, work places, homes and schools. The word "stapler" can actually refer to a number of different devices of varying uses. In addition to joining paper sheets together, staplers can also be used in a surgical setting to join tissue together with surgical staples to close a surgical wound (much in the same way as sutures). Most staplers are used to join multiple sheets of paper. Paper staplers come in two distinct types: manual and electric. Manual staplers are normally hand-held, although models that are used while set on a desk or other surface are not uncommon. Electric staplers exist in a variety of different designs and models. Their primary operating function is to join large numbers of paper sheets together in rapid succession. Some electric staplers can join up to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Paper Cutter
A paper cutter, also known as a paper guillotine or simply a guillotine, is a tool often found in offices and classrooms, designed to administer straight cuts to single sheets or large stacks of paper at once. History Paper cutters were developed and patented in 1844 by French inventor Guillaume Massiquot. Later, Milton Bradley went on to patent his own version of the paper cutter in 1879. Since the middle of the 19th century, considerable improvements to the paper cutter have been made by Fomm and Krause of Germany, Furnival in England, and Oswego and Seybold in the United States. Description Paper cutters vary in size, usually from about in length on each side for office work to (an edge of A1 paper) in design workshops. The surface will typically have a grid either painted or inscribed on it and may have a ruler across the top. At the very least, it must have a flat edge against which the user may line up the paper at right angles before passing it under the blade. It ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pencil Sharpener
A pencil sharpener (also referred to as pencil pointer or in Ireland as a parer or topper) is a tool for sharpening a pencil's writing point by shaving away its worn surface. Pencil sharpeners may be operated manually or by an electric motor. It is common for many sharpeners to have a casing around them, which can be removed for emptying the pencil shavings debris into a bin. History Before the development of dedicated pencil sharpeners, a pencil was sharpened by whittling with a knife. The development of pencil sharpeners began in France when a French book from 1822 reported in detail about an invention of Mr. C. A. Boucher (Paris) for the construction of a pencil sharpener. He was working with pantographs and apparently needed a device to precisely sharpen the pencils. The device of Mr. Boucher was technically sensible and functional. His idea was also internationally known and recognized, as shown by corresponding reports in German literature at this time. But Mr. Bouche ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Louise Glück
Louise Elisabeth Glück ( ; born April 22, 1943) is an American poet and essayist. She won the 2020 Nobel Prize in Literature, whose judges praised "her unmistakable poetic voice that with austere beauty makes individual existence universal". Her other awards include the Pulitzer Prize, National Humanities Medal, National Book Award, National Book Critics Circle Award, and Bollingen Prize. From 2003 to 2004, she was Poet Laureate of the United States. Glück was born in New York City and raised on Long Island. She began to suffer from anorexia nervosa while in high school and later overcame the illness. She attended Sarah Lawrence College and Columbia University but did not obtain a degree. In addition to being an author, she has taught poetry at several academic institutions. Glück is often described as an autobiographical poet; her work is known for its emotional intensity and for frequently drawing on mythology or nature imagery to meditate on personal experiences and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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