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  • drefsvfgbjhtzc zveřejnil aktualizaci před 16 hodin, 50 minuta

    „Smartphones are expensive — you wouldn’t want to spend up to $1,000 or more and end up with a scratched screen. Many people still buy screen protectors to protect their purchase, but are they still necessary with modern display advancements?

    Having a big scratch on your phone is like having an itch in your brain you just can’t reach. Plus, it l…[Číst více]

  • drefsvfgbjhtzc zveřejnil aktualizaci před 16 hodin, 50 minuta

    „Properties of polycarbonate films

    Polycarbonate (PC) is an amorphous, crystal clear engineering thermoplastic which has many attractive mechanical and optical properties. For example, it has very high impact toughness and exceptional high light transmittance as well as good dimensional stability, creep resistance and elasticity over a wide…[Číst více]

  • drefsvfgbjhtzc zveřejnil aktualizaci před 16 hodin, 50 minuta

    „PET sheet (polyethylene terephthalate) is a common thermoplastic that provides high dimensional stability, excellent mechanical strength and good resistance to creep. It offers resistance to chemicals, provides very low moisture absorption and is a good electrical insulator. PET film sheet also performs well in wear applications and has a tough,…[Číst více]

  • drefsvfgbjhtzc zveřejnil aktualizaci před 16 hodin, 50 minuta

    „Wire Drawing Dies are one of the most important technical issues in the drawing process. The proper choice of drawing dies and lubricants is very effective in the final quality product. We will focus on types of wire drawing dies.

    The wire drawing process reduces the size of a ferrous or non-ferrous rod down to a variety of finished sizes…[Číst více]

  • drefsvfgbjhtzc zveřejnil aktualizaci před 16 hodin, 50 minuta

    „Control valves are control devices that are used to manage and control fluid flow, pressure, temperature, or liquid level by varying the flow passage size. In process systems of production wells, oil and gas plants, Chemical and Petrochemical industries, refineries, and power plants, Control valves are frequently used to control or manage any of…[Číst více]

  • drefsvfgbjhtzc zveřejnil aktualizaci před 16 hodin, 50 minuta

    „Vacuum flasks are thermally insulated double wall vessels. The narrow space between the two walls is evacuated which dramatically reduces thermal transfer. The near absence of air molecules minimizes thermal transfer by convection. Reflective surfaces in the vacuum space minimize radiant thermal transfer and the separation between the inner and…[Číst více]

  • drefsvfgbjhtzc zveřejnil aktualizaci před 16 hodin, 50 minuta

    „Have you already heard about electrical insulators, but would like to understand more about it? The first step is to understand that it is materials that easily allow the flow of electrical charges inside due to a large amount of free electrons. Some materials that can be considered in this category are: silicone, glass (ceramics), plastic…[Číst více]

  • drefsvfgbjhtzc zveřejnil aktualizaci před 16 hodin, 50 minuta

    „What are Water Filters?

    Water Filters remove unwanted impurities from water such as sediment, taste and odour, hardness and bacteria to result in better quality water. From producing better-tasting drinking water to more specialist applications such as brewing coffee and making crystal clear ice, we offer a huge range of filters and cartridges…[Číst více]

  • drefsvfgbjhtzc zveřejnil aktualizaci před 16 hodin, 50 minuta

    „For fodders, there are many kinds of elements indispensible. Dicalcium Phosphate Dihydrate os also widely used in it.

    What is Dicalcium Phosphate Dihydrate (DCPD)?

    Dicalcium phosphate dihydrate (DCPD), or CaHPO4·2H2O, is a leavening salt that transfers into an acid when it contacts water and heat. This allows its reaction with bases to produce…[Číst více]

  • drefsvfgbjhtzc zveřejnil aktualizaci před 16 hodin, 50 minuta

    „The first thing to understand about different vapes is that there are two main categories of vapes.

    Nicotine vapes: handheld devices powered by lithium-ion batteries designed to mimic the sensation of smoking without combustion. Nicotine options are customizable from 0% up to 5%, with flavors ranging from tobacco to desserts to…[Číst více]

  • drefsvfgbjhtzb zveřejnil aktualizaci před 1 den, 13 hodin

    „How Industrial Glue Guns Are Used
    You may be familiar with hot glue guns from your high school home-economics class. You may remember weird, cylindrical, solid-but-flexible, sticks of translucent glue that you placed into a small hot glue gun. The gun would heat the glue, and you could use the hot glue to adhere pieces of fabric together (or to…[Číst více]

  • drefsvfgbjhtzb zveřejnil aktualizaci před 1 den, 13 hodin

    „5 Green Building Blocks
    How sustainable your home is depends on how green the construction material is, says Nirthya Rajan.

    Using green building material while constructing your home is the easiest way to make it sustainable. Here’s a list of five products made of components that are renewable and environmentally responsible.

    Fly ash bricks or…[Číst více]

  • drefsvfgbjhtzb zveřejnil aktualizaci před 1 den, 13 hodin

    „What is a blind flange?
    A blind flange is a solid flange as shown below. The purpose of these is to block off a section of pipe or a nozzle on a vessel that is not used. (A nozzle is typically a pipe coming out of a vessel and is usually flanged so it can be connected to valves or piping). Many times a nozzle will be blanked off with a blind…[Číst více]

  • drefsvfgbjhtzb zveřejnil aktualizaci před 1 den, 13 hodin

    „The best knife sharpeners – and how to use them
    A knife is arguably the most important tool in the kitchen, but it’s essential that the blade is sharp. When blunt, you have less control and are more likely to see the knife slide off the food, thereby making cooking a more hazardous process.

    You’ve acquired a chef’s knife, you’re using it a…[Číst více]

  • drefsvfgbjhtzb zveřejnil aktualizaci před 1 den, 13 hodin

    „How To Grind Weed Without A Grinder
    We’ve all been there; you or a friend have some cannabis flower, but you don’t have a weed grinder ready and at your disposal. What do you do? Using unground weed to pack a bowl isn’t ideal as you’ll end up burning away more weed than you smoke and putting unground weed in a rolling paper or blunt wrap won’t w…[Číst více]

  • drefsvfgbjhtzb zveřejnil aktualizaci před 1 den, 13 hodin

    „Dyeing Machines

    The textile dyeing machine is an important part of the dyeing process. So, it is a must to know about different types of dyeing machines and their properties. We know that; dyeing is a process of coloring textile materials to give a nice outlook to grey textile materials. By the reaction between dye solution and textile…[Číst více]

  • drefsvfgbjhtzb zveřejnil aktualizaci před 1 den, 13 hodin

    „Potassium (K) fertilizer is commonly added to improve the yield and quality of plants growing in soils that are lacking an adequate supply of this essential nutrient. Most fertilizer K comes from ancient salt deposits located throughout the world. The word „“potash““ is a general term that most frequently refers to potassium chloride (KCl), but…[Číst více]

  • drefsvfgbjhtzb zveřejnil aktualizaci před 1 den, 13 hodin

    „One of the biggest concerns for electric vehicle (EV) owners is knowing when and how to charge their vehicle. It makes sense: The average American has spent their life driving around in gas-powered cars, filling up at one of the hundreds of thousands of gas stations as the gauge creeps towards empty. Charging one’s EV takes a little more…[Číst více]

  • drefsvfgbjhtzb zveřejnil aktualizaci před 1 den, 13 hodin

    „What is a dry cabinet?

    A dry cabinet, also called dehumidifying cabinet or dry box, is a storage solution used to protect sensitive items from excess humidity. These devices are used across many industries, but they are particularly popular for sensitive camera equipment storage. The main issue dry cabinets serve to fight is fungal growth.…[Číst více]

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