3D printing uses computer-aided design (CAD) to create three-dimensional objects through a layering method. Sometimes referred to as additive manufacturing, 3D printing involves layering materials, like plastics, composites or bio-materials to create objects that range in shape, size, rigidity and color.
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Britain's debt from the French and Indian War led it to try to consolidate control over its colonies and raise revenue through direct taxation (e.g., Stamp Act, Townshend Acts, Tea Act, and Intolerable Acts), generating tensions between Great Britain and its North American colonies.
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ISIS :-</u></h3>
ISIS is a universal threat, making strange bedfellows of US, Russia, EU and Iran. But there is no unified approach to combat the group. Saudi Arabia has formed a coalition of 34 largely Muslim nations to fight terrorism, as the main gate for ISIS fighters to go into Syria, which could be pivotal.
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<u>Refugee Crisis :-</u></h3>
Three million Syrians have fled to Turkey, Lebanon, Jordan and Iraq, another 6.5 million displaced in the country. The EU, ideologically divided over how to handle the crisis, is bearing the brunt of refugee migration. Turkey, Greece, Bulgaria, Macedonia and Hungary have built anti-immigrant fences on their borders.
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<u>Volatile Oil Prices :-</u></h3>
Oil trading has becoming more volatile due to growing tension between two, big OPEC players, pushing already slumped prices lower. Saudi's newly severed ties with Iran have destabilized a political situation that will further complicate oil outlook.
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<u>Iranian-Saudi Tension :-</u></h3>
Saudi Arabia executed a dissident Shia Imam by sending out regional shockwaves and inciting violent reaction in Shia-dominated Iran. KSA then severed diplomatic and commercial ties with Iran; Gulf nations followed suit.
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hope it helps
# RainbowSalt2222
(in the former Soviet Union) the policy or practice of restructuring or reforming the economic and political system.
Answer:
the answers are B- salt was used as a form of currency and D- salt was used to preserve food.
Explanation: