Books


03-09-21
The chemistry of cosmetics
The chemistry of cosmetics The chemistry of cosmetics

Cosmetics materials 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…

Cosmetics materials are not a modern invention. Humans have used…

Gratis
London
03-09-21
Here's the Truth About Wood Veneers
Here's the Truth About Wood Veneers Here's the Truth About Wood…

When you learn that a piece of furniture has a veneer, does it make you cringe a little? Admittedly us, too. But wood veneers, in fact, are a traditional and structurally significant aspect of furniture-making that still come into play in contemporary…

When you learn that a piece of furniture has a veneer, does it make…

Gratis
London
03-09-21
UNDERSTANDING AUDIO AND VIDEO WIRE AND CABLE
UNDERSTANDING AUDIO AND VIDEO WIRE AND CABLE UNDERSTANDING AUDIO AND VIDEO…

WHAT IS A CONDUCTOR?     An Electrical conductor is an element (remember the periodic table in chemistry?) which conducts electricity, as opposed to an insulator, which does not, or a semiconductor which allows some electricity to pass. There are also…

WHAT IS A CONDUCTOR?     An Electrical conductor is an element…

Gratis
A Coruña
03-09-21
Balloon Inflator Pumps: The Definitive Guide to Choosing and Using them.
Balloon Inflator Pumps: The Definitive Guide to Choosing and Using them. Balloon Inflator Pumps: The…

This article will present the definitive guide to choosing and using balloon inflators as you prepare to create your next masterpiece balloon decoration.     Inflating balloons can be a tiresome activity if you are inflating more than two balloons with…

This article will present the definitive guide to choosing and using…

Gratis
London
03-09-21
Understanding Metal Stamping
Understanding Metal Stamping Understanding Metal Stamping

Metal stamping is a cold-forming process that makes use of dies and stamping presses to transform sheet metal into different shapes. Pieces of flat sheet metal, typically referred to as blanks, is fed into a sheet metal stamping press that uses a tool and…

Metal stamping is a cold-forming process that makes use of dies and…

Gratis
London