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17-09-21
a brief history of blood collection systems and devices
a brief history of blood collection systems and devices a brief history of blood…

Before the modern vacuum tube, blood collection tubes and other devices were difficult and imprecise. Etched lines in borosilicate glass tubes reflected the amount of blood the phlebotomist needed to collect. Using a disposable venous blood collection…

Before the modern vacuum tube, blood collection tubes and other…

Gratis
A Coruña
17-09-21
The Advantages of Canvas Tarps
The Advantages of Canvas Tarps The Advantages of Canvas Tarps

  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…

  The Advantages of Canvas Tarps     Tarpaulins (tarps) made of…

Gratis
A Coruña
17-09-21
Control Valve
Control Valve Control Valve

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…

Control Valve     This valve controls the expulsion of oil from the…

Gratis
Albacete
17-09-21
Bus HVAC energy consumption test method based on HVAC unit
Bus HVAC energy consumption test method based on HVAC unit Bus HVAC energy consumption…

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,…

Bus HVAC energy consumption test method based on HVAC unit     In…

Gratis
A Coruña
17-09-21
Introduction to Injection Mold Verification
Introduction to Injection Mold Verification Introduction to Injection Mold…

  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…

  Introduction to Injection Mold Verification     Injection molding…

Gratis
A Coruña
17-09-21
Beauty & Style
Beauty & Style Beauty & Style

  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…

  Beauty & Style     Earrings, ornaments decorating the ears, have…

Gratis
A Coruña
17-09-21
Basic electrical quantities: current, voltage, power
Basic electrical quantities: current, voltage, power Basic electrical quantities:…

  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…

  Basic electrical quantities: current, voltage, power     Voltage…

Gratis
London
17-09-21
Auto-disable syringes are not for needle programmes
Auto-disable syringes are not for needle programmes Auto-disable syringes are…

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…

Auto-disable syringes are not for needle programmes     WHO and its…

Gratis
A Coruña
16-09-21
What are Precision Stamping Machines?
What are Precision Stamping Machines? What are Precision Stamping…

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…

Precision metal stamping is a process for punching markings,…

Gratis
London
15-09-21
What Are The Difference Between PVC Wallpaper And Non-Woven Wallpaper?
What Are The Difference Between PVC Wallpaper And Non-Woven Wallpaper? What Are The Difference…

    What Are The Difference Between PVC Wallpaper And Non-Woven Wallpaper?     Nowadays most of the people are using wallpapers to decorate their home, flats, offices. Houses with wallpapers look good and give a good texture. As modern decoration…

    What Are The Difference Between PVC Wallpaper And Non-Woven…

Gratis
A Coruña
15-09-21
The story of tissue: the evolution of a vital consumer product
The story of tissue: the evolution of a vital consumer product The story of tissue: the…

    The story of tissue: the evolution of a vital consumer product     Toilet and facial tissue are something that most of us take for granted, but many may be surprised to learn they are actually relatively new inventions. However, while white toilet…

    The story of tissue: the evolution of a vital consumer product    …

Gratis
A Coruña
15-09-21
What Is Tomato Paste & How to Use It
What Is Tomato Paste & How to Use It What Is Tomato Paste & How to…

    What Is Tomato Paste & How to Use It     Tomato paste is an essential pantry staple to have on hand for whipping up delicious, deeply flavored meals-it can transform a ho-hum recipe, like a soup or sauce, into something really special. A little bit…

    What Is Tomato Paste & How to Use It     Tomato paste is an…

Gratis
London
15-09-21
An Introduction to Machine Vision Systems
An Introduction to Machine Vision Systems An Introduction to Machine…

    An Introduction to Machine Vision Systems     Machine vision systems are a set of integrated components that are designed to use information extracted from digital images to automatically guide manufacturing and production operations such as go/no…

    An Introduction to Machine Vision Systems     Machine vision…

Gratis
A Coruña
15-09-21
Rheometers: How and What do they Measure?
Rheometers: How and What do they Measure? Rheometers: How and What do…

    Rheometers: How and What do they Measure?     To measure the rheological properties of your sample with a rotational and oscillatory rheometer requires the determination of the torque and deflection angle of the measuring bob. Your sample provides…

    Rheometers: How and What do they Measure?     To measure the…

Gratis
London
15-09-21
Are polarized sunglasses right for you?
Are polarized sunglasses right for you? Are polarized sunglasses right…

    Are polarized sunglasses right for you?     The glare-reducing perks of polarized lenses     Polarized sunglasses are known for their ability to block the glare that reflects off of certain surfaces. This makes them very popular among people who…

    Are polarized sunglasses right for you?     The glare-reducing…

Gratis
A Coruña
15-09-21
Is it Safe to Smoke Out of Silicone?
Is it Safe to Smoke Out of Silicone? Is it Safe to Smoke Out of…

    Is it Safe to Smoke Out of Silicone?     Up until a few years ago, bongs had always been made out of glass or ceramic. That is, until the silicone bong came onto the scene.     We all know the feeling of watching a high-quality piece of glass hit…

    Is it Safe to Smoke Out of Silicone?     Up until a few years…

Gratis
London
15-09-21
What Are Evaporative Coolers? Here’s Everything You Need to Know
What Are Evaporative Coolers? Here’s Everything You Need to Know What Are Evaporative Coolers?…

    What Are Evaporative Coolers? Here’s Everything You Need to Know     Looking for a way to beat the heat? If you do not have a central air conditioning system in your home — or if you do but are researching more environmentally friendly or affordable…

    What Are Evaporative Coolers? Here’s Everything You Need to Know  …

Gratis
London
15-09-21
Sit-Inside vs. Sit-On-Top Kayaks – 4 Reasons One is Better
Sit-Inside vs. Sit-On-Top Kayaks – 4 Reasons One is Better Sit-Inside vs. Sit-On-Top…

    Sit-Inside vs. Sit-On-Top Kayaks – 4 Reasons One is Better     Both hardshell and inflatable kayaks can be categorized into two different styles:             Sit-on-top kayak (SOT) and             Sit-in kayak (SIT)           The two designs…

    Sit-Inside vs. Sit-On-Top Kayaks – 4 Reasons One is Better    …

Gratis
A Coruña
15-09-21
Multi-Cookers For Every Kind of Household
Multi-Cookers For Every Kind of Household Multi-Cookers For Every Kind…

  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…

  Whether you have a large family or live alone, there is always a…

Gratis
London
15-09-21
Socket or portable battery
Socket or portable battery 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…

  A USB fan is a small and portable device that's handy for…

Gratis
A Coruña