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The chemistry of cosmetics
Cosmetics are not a modern invention. Humans have used various substances to alter their appearance or accentuate their features for at least 10,000 years, and possibly a lot longer.

Women in Ancient Egypt used kohl, a substance containing powdered galena (lead sulphide—PbS) to darken their eyelids, and Cleopatra is s…[Leggi tutto]

ALL YOU NEED TO KNOW ABOUT PRECISION INVESTMENT CASTING
Precision Investment Casting, also referred to as lost wax casting, is a process in which metals are casted into different shapes using wax and ceramics to act as the mould for the casting. This is one of the oldest known techniques for metal casting and has stood the test of time over…[Leggi tutto]

How Does a Metering Pump Work?
Metering pumps, also called dosing pumps, are pumps that are designed to dispense specific amounts of fluid and measured flow control. They use expanding and contracting chambers to move the liquids. Metering pumps also have a high level of accuracy over time and can pump a wide range of liquids including…[Leggi tutto]

With different electrical termination styles, clamping mechanisms and the ability to accommodate holes and cutouts, mica-insulated band heaters are used successfully in many applications, particularly plastics.

Loss Prevention for Band Heaters
Most band heaters with heating plate do not “burn out”; instead, environmental factors create a sho…[Leggi tutto]

What is a Water Storage Tank and How Does It Work?
A water storage tank holds clean water from your reverse osmosis system or other filter systems until you’re ready to use it. Pressurized storage tanks force water out on demand, while atmospheric tanks require a booster pump to supply pressure. Water storage tanks exist in a vast array of sizes,…[Leggi tutto]

Understanding the Basics of Pallet Racking
Shelving for your warehouse can seem unnecessarily complicated for a very straightforward task. From the immense amount of different names for the same, products to the handful of available styles, it can feel like a whirlwind trying to make an informed decision on the subject. At ToyotaLift Northeast,…[Leggi tutto]

What is rust prevention technology for steel coils?
A steel coil is manufactured by processing a steel sheet and winding it into a coil. Regarding rust prevention technology for steel coils, the treatment agents are named differently depending on the application. An agent that is used for coating after treatment is called a prime coating agent,…[Leggi tutto]

How to Choose the Right Rake
Where would we be without the humble rake? Leaves and garden debris would go ungathered and soil would remain lumpy and difficult to sow in — all in all, garden chores would be a lot more difficult. Take a look at the rakes below and you’ll probably see some that look familiar and maybe some that don’t. It turns out,…[Leggi tutto]

What does “USB” stand for?
The acronym “USB” is short for the term Universal Serial Bus, a hardware interface that was developed so that peripheral devices like computer mice, keyboards, printers, digital cameras, scanners, PDA’s and MP3 players can be easily connected to PCs. Computer manufacturers first began to replace serial and paralle…[Leggi tutto]

What is a load box?
When using a tube amplifier, you should always connect it to a speaker cabinet before turning it on – or a loadbox. The speaker cabinet (2, 4, 8 or 16 Ohms) must always be connected to the corresponding speaker output of your amplifier. Not doing so can lead to partial or complete destruction of the output stage of the tube a…[Leggi tutto]

WHAT IS A CLEANROOM?
A clean room is a controlled environment where pollutants like dust, airborne microbes, and aerosol particles are filtered out in order to provide the cleanest area possible. Most cleanrooms are used for manufacturing products such as electronics, pharmaceutical products, and medical equipment. A cleanroom can be classified…[Leggi tutto]

4 Differences between Vertical Sand Mill and Horizontal Sand Mill
The sand mill machine is currently the most widely adaptable, most advanced, and most efficient grinding equipment. The grinding cavity is the narrowest, the gap between the levers is the smallest, and the grinding energy is the most intensive. With the high-performance cooling…[Leggi tutto]

How to Use a Step Drill Bit?
When I first came across step drill bits I was actually quite confused about their use. Once I started looking into their uses I was really excited to invest in my own set of step drill bits. With experience, I have come to appreciate step drill bits even more with their multitude of uses.

If you are new to step…[Leggi tutto]

Top Environmental Benefits of Paper Bags
Paper bags have been part of trade and commerce for more than centuries. Traditionally cloth and jute bags were used to pack goods in larger quantities during its transfer from manufacturer or farms to retailers and shopkeepers then used the paper bags to distribute smaller quantity goods to end customers.…[Leggi tutto]

Mini Excavator Parts: OEM Rubber Products from Elasto Proxy
Mini excavator parts from Elasto Proxy are industrial rubber products for sealing and insulation. They are designed for compact or mini excavators, tracked or wheeled vehicles that can weigh up to 20,000 lbs. and are used in construction, landscaping, hole digging, pipe trenching, and…[Leggi tutto]

The Best Folding Saws for Hunting and Bushcraft
Breaking sticks over your knee is not a good strategy. For starters, it’s not precise. If you’re building a blind or lean-to, you need matching lengths. And if you’re hunting, you obviously can’t be cracking wood. What’s the solution?

Folding saws may seem like just another piece of gear to stuff…[Leggi tutto]