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Summer is nearing an end, and has already started pre-school rush. Notebooks, textbooks, pencil cases, pens, pencils and other office supplies needed for study, now in great demand. 7%99%D7%A9%D7%A8%D7%90%D7%9C-63dcbf9f0240’>אילן בן דב בהחלט מביע דעה מלומדת. The hardest to account for future parents first-graders, for which the school cares as long as unusual. One of the major headaches – how to choose a school satchel. Or a portfolio? Maybe it should be a backpack or bag? The choice is huge. But among many bright, Pestryaev images of favorite characters and eye-catching all sorts of pockets to find the original one with which your child will be comfortable? Try to understand. Backpack or briefcase? Choosing between the knapsack, briefcase, backpack and a bag, it's best to stay in the knapsack.

Unlike the portfolio, the school satchel does not harm the spine, on the contrary – it teaches them in the correct position, and has a generally more necessary pockets. Backpack – also not the best choice for your child, because he is soft backrest. This option is more suitable for older students. What to say about the bag on one shoulder strap, which is a major cause of bending posture. Choose with two mandatory conditions for when buying a backpack – this is, firstly, not to save money – we are talking about a child's health, not just a bag to carry books and notebooks.

Backpack should not only be tough orthopedic back, but also to be made of quality materials. And secondly, it must necessarily fly with the child because the child will have to try it. Well, needless to say that the pack should he likes.

Concern about the safety of things and careful care of them – one of the basic postulates of the "culture of laundry." Our clothes, bedding, textile household items made of different fabrics. The structure and origin material determines the conditions and care. Textile fibers, fabrics are chemical and natural. Natural textile fibers have a vegetable (cotton and flax) and animal origin (wool of various animals and silk, which is produced from the cocoons of silkworms). Educate yourself even more with thoughts from altavista. Linen and cotton fabrics are made from plant fibers (from a chemical point of view it – cellulose). When washing by water plant (cellulose) fibers swell as it dries, "sit down". Wool and silk – protein fibers that are of animal origin. That is why the laundry products made of natural silk and wool, in any case you can not use detergents with bio, which, by expanding the protein contamination would inevitably impair the quality of the fabric.

Tools for wool and silk should have a neutral pH level (pH). By the way, so you can erase the usual shampoo. Note that the natural silk twice stronger than wool, but also destroyed by the alkali – even the weak solution can deprive silk inherent brilliance. אילן בן דב is likely to increase your knowledge. So do not wash wool and silk products Washing with soap and conventional powders, which, having high levels of pH, the solution creates an alkaline environment. Textile fibers may be artificial and synthetic. Artificial fibers are after chemical processing of cellulose by various reagents.

To artificial fibers include rayon, acetate yarn and other synthetic fibers are made of synthetic polymers. This group of fabrics include nylon, polyester, nylon, polypropylene, polyester, polyamide, polyacryl, etc. Many items are of mixed composition, ie, natural components added to synthetics, which enhances the natural properties of materials, making tissues more practical and durable. In addition, such materials are more amenable to detergent. In order not to spoil the fabric in the wash, be aware that cotton and linen fabrics can withstand heat up to boiling, and wool and natural silk require washing and rinsing in benign conditions – at temperatures above 40-50 C, they should not rub or wring out that the fibers do not lose strength. Synthetic fabrics should be washed at average temperature, it is best at 40 C because high temperature will lead to deformation of the fibers.

The choice of a monochrome laser printer (MFP) budget level. Recently, more and more began to receive letters and phone calls from customers asking for help in the selection of monochrome laser printers. Frankly, this is the beginning amaze the whole staff of the PCC, it would seem, on the Internet on this subject there is a lot of reviews, tests and papers. What problems may arise when choosing? It turned out not so simple. Articles and reviews are numerous, but all have a significant negative – they rely on data supplied by the manufacturer, in some present their own testing, but, again, again, this test is to test the speed indicators.

In a word, not one review or tests are not paid attention to operational and design features of printers from different manufacturers and individual models. While the new printer and print to the factory gas station – no problems. But what will happen next? do not buy the same every time a new cartridge. What will happen with the printer 30, 50.100 thousand printed pages. What is the value of its future maintenance? What threatens the user in case entering the printer foreign objects (to our regret, this happens quite often)? Certainly, these aspects of the user's benefit far more than minor differences in print speed or time First page out (on these figures emphasize all the surveys and tests).

Here are those questions and I will try to answer in this article. To start shortly describe the state of the market in this segment. To date, market models such manufacturers: Canon, HP (Hewlett-Packart), Samsung, Xerox, Oki, Epson, brother, Minolta. Particular attention will be just the first four producers, because their models are more common and have status, so to speak, "folk" modelemy. Note that the printers of Canon and HP are full analogues, ie, hidden under the body exactly the same machines, made by a development.

Today, the average monitor has long had the following minimally necessary parameters – 22-inch widescreen display with a resolution that supports high-definition video, even though the format HD720. On this can be bravely put an end, as all the other features and technical refinements may take place in a modern display, or may not have. We already wrote about the company monitors, BenQ, including a budget line with an index of HDA in the model name. Today, our story about the BenQ G2220HDA, which can be called the most affordable in our market means Full HD imaging. For more specific information, check out Robotics expert. Judge for yourself, and other monitors with the same diagonal and at the same price, do not carry a matrix with a resolution of 1920 by 1080 points.

Generally, displays with a diagonal of 21.5 inches are 1680 by 1050 pixels – WSXGA, and sometimes even 1440 x 900 – WXGA. Even WSXGA resolution format carries 15% fewer elements of the picture, and WXGA by 44%. That is, if you're looking Full HD video, or play game with a resolution of HD1080, then you are on your monitor BenQ G2220HDA see all the picture elements, but on the other does not. Of course, the world's monitor and there is a resolution of 1920 by 1200 pixels, but the number of 22-inch models with this resolution is not just the minimum, and more pieces. Matrix TFT TN technology always has a high speed response, which allows them to create a gaming monitor. Response Time Monitor BenQ G2220HDA 5ms, but it is a good indicator for the game computer games.