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  • tgh228 ha inviato un aggiornamento 21 ore, 34 minuti fa

    The Advantages of Canvas Tarps

    Tarpaulins (tarps) made of canvas are some of the most versatile tarps on the market today. These tarps can be flame retardant, water resistant, and

    mildew resistant. Canvas tarps come in several fabric gauges, from 10-ounce to 17-ounce and up. (The higher the number, the heavier and more durable the…[Leggi tutto]

  • tgh228 ha inviato un aggiornamento 21 ore, 35 minuti fa

    How battery chargers work

    If you've read our main article on batteries, you'll know all about these portable power plants. An example of what scientists refer to as

    electrochemistry, they use the power of chemistry to release stored electricity very gradually.

    What happens inside a typical battery—like the one in a f…[Leggi tutto]

  • tgh228 ha inviato un aggiornamento 21 ore, 36 minuti fa

    Cars that watch you watch them steer

    The automobile, in American life, has long been a hallmark of freedom. A teenager’s first driver’s license offers freedom from Mom and Dad. A new car

    and the open road bring the freedom to chase the American dream. But as more technology creeps in to help drivers, so, too, will systems that eav…[Leggi tutto]

  • tgh228 ha inviato un aggiornamento 21 ore, 36 minuti fa

    Control Valve

    This valve controls the expulsion of oil from the spring side of the second gear band servo piston at speeds in the region of 60 km/h. The time period

    for oil to exhaust then depends upon the governor pressure varying the effective exhaust port restriction. Line pressure oil from the spring side of the

    second gear band…[Leggi tutto]

  • tgh228 ha inviato un aggiornamento 21 ore, 37 minuti fa

    How Cement Mixers Work

    In addition to the mixing energy applied to the fresh concrete (i.e. shearing during mixing), the shear history after mixing is also important. This

    applies especially to binder rich concretes like the different types of high performance concrete (HPC). With this in mind, the shear rate is analyzed inside

    a drum of…[Leggi tutto]

  • tgh228 ha inviato un aggiornamento 21 ore, 38 minuti fa

    Bus HVAC energy consumption test method based on HVAC unit

    In this study, passenger comfort and the air pollution status of the micro-environmental conditions in an air-conditioned bus were investigated through

    questionnaires, field measurements, and a numerical simulation. As a subjective analysis, passengers' perceptions of indoor…[Leggi tutto]

  • tgh228 ha inviato un aggiornamento 21 ore, 39 minuti fa

    Introduction to Injection Mold Verification

    Injection molding is one of the most commonly used production processes for plastics. This is rightly so as it offers a viable solution for the mass

    production of high-quality injection automotive parts from a broad range of polymers. In the automotive industry, where consistency, safety, and…[Leggi tutto]

  • tgh228 ha inviato un aggiornamento 21 ore, 40 minuti fa

    Beauty & Style

    Earrings, ornaments decorating the ears, have been one of the principal forms of jewelry throughout recorded history. The term usually refers to

    ornaments worn attached to the earlobes, though in the late twentieth century it expanded somewhat to include ornaments worn on other parts of the ear, such

    as ear cuffs, and is…[Leggi tutto]

  • tgh228 ha inviato un aggiornamento 21 ore, 41 minuti fa

    Can Liquid Nails Bond Wood To Metal?

    It’s a common household problem. However, you have another problem. You have a wooden bathroom door and a metal knob. What’s the quickest way to

    reattach the two surfaces? Can you trust your tube of liquid nails to do the job?

    Liquid Nails can bond wood to metal. You can use some var…[Leggi tutto]

  • tgh228 ha inviato un aggiornamento 21 ore, 43 minuti fa

    Basic electrical quantities: current, voltage, power

    Voltage and current are the cornerstone concepts in electricity. We will create our first mental models for these basic electrical quantities. We will

    also talk about power, which is what happens when voltage and current act together.

    The concept of electricity arises from an…[Leggi tutto]

  • tgh228 ha inviato un aggiornamento 21 ore, 44 minuti fa

    Preparation of activated carbon from biomass and its’ applications in water and gas purification

    Due to its versatility and wide range of applications, activated carbon is widely used as contaminant removal media. Recent research have focused on

    enhancing the effectiveness of activated carbon by modifying their specific properties in o…[Leggi tutto]

  • tgh228 ha inviato un aggiornamento 21 ore, 45 minuti fa

    Auto-disable syringes are not for needle programmes

    WHO and its partners recommend the use of auto-disable syringes, "bundled" with

    the supply of vaccines when donor dollars are used, in all mass immunization campaigns, and also strongly advocate their use in routine immunization

    programmes. Because of the relatively high price of…[Leggi tutto]

  • tgh228 è diventato un membro registrato 21 ore, 56 minuti fa

  • buo226 ha inviato un aggiornamento 1 giorno, 22 ore fa

    Multi-Cookers For Every Kind of Household

    Whether you have a large family or live alone, there is always a magic multicooker to suit every kind of home. It could be a one-person pot, or a big sharing one – these popular Electric Multi Cookers do the cooking for you so you spend less time on great meals.

    Not all of us are fortunate…[Leggi tutto]

  • buo226 ha inviato un aggiornamento 1 giorno, 22 ore fa

    Socket or portable battery

    A USB fan is a small and portable device that's handy for personal, close-proximity cooling. As the name suggests, it's powered through a USB connection, such as the one in your computer, a power adapter that you plug into a wall outlet or a portable battery. Some can be self-powered using an internal battery that…[Leggi tutto]

  • buo226 ha inviato un aggiornamento 1 giorno, 22 ore fa

    Some ways to improve your sheet metal parts

    Sheet metal fabrication is a handy set of manufacturing processes used to create parts from flat pieces of metal. Sheet metal comes in a range of materials and thicknesses, and can be used to create parts like appliances, enclosures, brackets, panels and chassis.

    For those new to sheet metal…[Leggi tutto]

  • buo226 ha inviato un aggiornamento 1 giorno, 22 ore fa

    Coronavirus Face Masks & Protection FAQs

    The CDC continues to monitor the spread of COVID-19 and makes recommendations for wearing face face masks, both for those who are fully vaccinated as well as those who are not fully vaccinated.

    The CDC also recommends that masks and physical distancing are required when going to the doctor’s o…[Leggi tutto]

  • buo226 ha inviato un aggiornamento 1 giorno, 22 ore fa

    The relation between shaker screen mesh and the hole diameter

    A shale shaker screen is a vulnerable spare part of a shale shaker. But the shaker screen is very important in the drilling mud recycling system. The shaker screens design and quality determined the separation performance of the shale shaker. Generally speaking, the working…[Leggi tutto]

  • buo226 ha inviato un aggiornamento 1 giorno, 22 ore fa

    Medical Protective Clothing: The Complete Guide

    Medical protective clothing, also known as medical protective suit, disposable protective coverall, or antivirus suit. Medical protective clothing refers to the protective clothing used by medical personnel (doctors, nurses, public health personnel, cleaners, etc.) and people entering a specific…[Leggi tutto]

  • buo226 ha inviato un aggiornamento 1 giorno, 22 ore fa

    What are Precision Stamping Machines?

    Precision metal stamping is a process for punching markings, three-dimensional shapes, or other designs into material surfaces, and precision stamping machines exert a high level of force to engrave dies and forms onto the surface material. Metals such as steel, copper, and aluminum are the most commonly…[Leggi tutto]

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