savings

We work harder to make more money - and ultimately to spend a lot.

Applying the following saving tips, you must always be frightened, not worried

In 2007, Dr. Nguyen Thanh Quang - Da Nang Polytechnic University successfully fabricated badly circulating fluidized bed boiler.

Although the design is simple, the portable refrigerator of Emily Cummins (pictured) is considered a great invention for families who have not been able to purchase refrigerators.

Hung Thang - a resident in Ho Chi Minh City has just said that a successful device has been developed that saves about 25-35% of gas used in family activities.

Life expectancy of up to 100 thousand hours, can be used with small power, good operation in all weather conditions, energy saving are the advantages of LED by Dr. Nguyen Van Khai.

A Chinese middle school student has invented a very economical paper that can be used again and again about 500 times.

US researchers develop a new type of circuit that promises to increase processing speed by 7 times but electricity consumption is 30 times less than the best technology today.

The following tips help you save as well as regain a small amount of storage from your hard drive.