“A bombing of a car bomb broke out in Sana’a capital, Sana’a, on the 7th. Local officials said that the explosion killed 37 people and the casualties included children.
According to AFP, a police academy in Sana'a, Yemen, was hit by a car bomb on the 7th, when dozens of people gathered in front of the school building. The Yemeni official news agency quoted the Ministry of Internal Affairs as saying that the bombing was carried out by terrorists. The target of the attack was a student from the police academy. 37 people were killed in the blast and dozens were injured. One witness said that the explosion occurred early in the morning on the 7th, when about 60 police freshmen were going through the registration formalities. At present, the local government is organizing personnel to clean up the explosion site and treat the injured. The Ministry of Health in Yemen has called on Sana’a residents to enthusiastically donate blood for the wounded.
The area is located in the center of Sana'a. Within a radius of a few hundred meters there are many important institutions such as the Central Bank, the Central Security Forces, the Presidential Palace, and foreign embassies and consulates. As a result, they have been attacked many times. On July 11, 2012, this police academy was subjected to a suicide bombing attack by Al Qaeda. Although the final investigation results have not yet been released, the Al Qaeda branch of the Arabian Peninsula has announced responsibility for similar attacks that occurred in the past.
In recent days, there have been frequent violent attacks in Yemen. Some analysts believe that the turmoil in Yemen is caused mainly by the clashes between the Shiite Hussein armed groups, some tribal armed forces, and the al-Qa’idah branch. However, the Hussein organization publicly condemned the incident and stated that people “will not become spectators of the media and terrorist forces and will stand behind those who stop these crimes.â€
On the same day, a religious party in Yemen also condemned the bombings and demanded "serious and transparent investigations to find out the crimes they committed and all the crimes of the past and bring them to justice as soon as possible."
The die casting process involves the use of a furnace, metal, die casting machine, and die.
The metal, typically a non-ferrous alloy such as aluminum, is melted in the furnace and then injected into the dies in the die casting machine. After the molten metal is injected into the dies, it rapidly cools and solidifies into the final part, called the casting.
The castings that are created in this process can vary greatly in size and weight, ranging from a couple ounces to 100 pounds. One common application of die cast parts are housings - thin-walled enclosures, often requiring many ribs and bosses on the interior.
Metal housings for a variety of appliances and equipment are often die cast.
Several automobile components are also manufactured using die casting, including pistons, cylinder heads, and engine blocks. Other common die cast parts include propellers, gears, bushings, pumps, and valves.
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