Unique Facts of Mining (1)

Unique Facts of Mining (1)

Gold and copper were the 1st metals to be discovered during Primitive Period around 5,000 BC

Archeologists have found copper drain pipes from 3,500 BC that are still in good condition
Au is chemical symbol of gold, comes from Latin “aurum” which means shining dawn

Petroleum is used to make over 6,000 items : ink, golf bags, deodorant , DVDs, crayons, etc.
“The Luck of The Irish” is an old expression which came out of the gold and silver rush in 19th century
Approximately, 63% gold is used in jewelry, 20% as coins, 15% in industrial uses, and 1% in dental
Zinc is 100% recyclable

The Cullinan […]

Cobwebs Construction

Cobwebs Construction

Katama Suryabumi Corporation which is engaged in technological innovation of construction and agribusiness, has developed and has being the holder of new technology patent in field of design, one of which is the system of Cobwebs Construction (CC). The system incorporates a flat plate concrete foundation system with the soil improvement system which makes it sturdy, earthquake friendly, and economical.

 

 

Prof. Dr. Ir. T Abdul Aziz Djajaputra, Professor of Geotechnical ITB said, “The cobwebs construction is a more rigid and more efficient shallow foundation system, in terms of its material. The other advantages of the system is good horizontal […]

Hydraulic Fracturing

Hydraulic Fracturing

Hydraulic Fracturing, also called hydro fracturing, hydro fracking, fracking, or fraccing is a technique of oil mining. It was tested for the first time in 1947 and success to be applied commercially in the next 3 years. In 2012, there were 2.5 billion oil mining using hydraulic fracturing around the world.

 

Basically, this technique is divided into 3 main stage.

Well digging

Well digging is done by crushing rocks with high-pressure liquids pumping and drills with diamond eye. The pumping is intended to softer the rock which make it easier to be crushed, and the drill is intended to make a hole in […]

Familiar with Agricultural Equipment

Familiar with Agricultural Equipment

During this time we may know heavy equipment is a tool used for building or building construction. But agriculture also requires heavy equipment to accelerate large-scale agricultural processes or with vast agricultural areas and plantation work, such as oil palm, sugarcane, or wheat gardens.
Heavy equipment used for plantation and agriculture is used both when harvesting and when preparing agricultural land. Here are some types of heavy equipment used in agriculture and plantations, among them:

Tractor

The tractor is a vehicle made to provide high traction or torque at a slow speed. Tractors are often used as a means of transport in […]

Why Does Iron Ore’s Price Drop?

Why Does Iron Ore’s Price Drop?

In last September-October, iron ore’s price is dropping about 20%. Even though the price reached the peak in February : USD 90 per ton. The price is increasing in February, June, and August according to report, but soon falling down. What is the reason?

It is because of China’s iron ore demand.

Government of China planned to mandate a significant cut of steel production in the country during winter to decrease pollution. This could decrease steel production about 30 million tons and decrease iron ore consumption about 50 million tons.

The immediate demand decreasing surely impacts Western Australia, which is the largest producer and […]

Unique Facts Of Coal

Unique Facts Of Coal

Coal is a combustible black or brownish-black semidentary rock, composed primarily of carbon along with variable quantities of other elements, such as hydrogen, sulfur, oxygen, and nitrogen. Coal is extracted from the ground by coal mining and has been used as energy resource. Here is some unique facts about coal.

Do you know Titanic? Yes, the British passenger liner that sank in the North Atlantic Ocean in 1912 and was main idea of the famous American epic romance-disaster film by James Cameron. The ship’s coal stores had been burning for weeks before set sail which damaging the starboard side of the […]