28-09-21
The evolution of plasma cutting The evolution of plasma…

The evolution of plasma cutting     Plasma cutting has come a long way since it was first developed in the late 1950s by engineers at Union Carbide Corp. Today it is one of the most widely used metal plate cutting processes for a large variety of…

The evolution of plasma cutting     Plasma cutting has come a long way…


Gratis
28-09-21
How we got duped into cooking with gas How we got duped into cooking…

How we got duped into cooking with gas     Gas stove actually unleash indoor air pollutants like soot, formaldehyde, carbon monoxide, and nitrogen dioxide. Beyond that, greenhouse gas emissions from fossil fuels like natural gas drive climate change.…

How we got duped into cooking with gas     Gas stove actually unleash…


Gratis
28-09-21
How to Choose a Transformer: Dry Type vs. Oil Cooled How to Choose a Transformer:…

How to Choose a Transformer: Dry Type vs. Oil Cooled     Transformers are common and useful devices which take high voltage electricity directly from a power station and convert it to a lower voltage. This allows the energy to be safely and efficiently…

How to Choose a Transformer: Dry Type vs. Oil Cooled     Transformers…


Gratis
28-09-21
The Surprising History of the Tank Top The Surprising History of the…

  The Surprising History of the Tank Top     When the summer months are upon us, one of the most popular items in many wardrobes is the tank top.     It can be dressed up with a jacket and smart jeans, or dressed down with pajamas and worn to bed.    …

  The Surprising History of the Tank Top     When the summer months…


Gratis
28-09-21
Food Additives: What Parents Should Know Food Additives: What Parents…

Food Additives: What Parents Should Know     Food additives have been used for thousands of years, ever since people realized salt could keep meat from spoiling. Today, there are more than 10,000 additives approved by the U.S. Food and Drug Administration…

Food Additives: What Parents Should Know     Food additives have been…


Gratis