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Website. ielts .org. International English Language Testing System ( IELTS / ˈaɪ.ɛlts /) [ 6] is an international standardized test of English language proficiency for non-native English language speakers. It is jointly managed by the British Council, IDP and Cambridge English, [ 6] and was established in 1989.
IELTS Life Skills. IELTS Life Skills is an English language test which provides proof of English speaking and listening skills at Common European Framework of Reference for Languages (CEFR) levels A1, A2 or B1. [1] It can be used to apply for a 'family of a settled person' visa, visa extension, indefinite leave to remain or citizenship in the UK.
A water filter removes impurities by lowering contamination of water using a fine physical barrier, a chemical process, or a biological process. Filters cleanse water to different extents, for purposes such as: providing agricultural irrigation, accessible drinking water, public and private aquariums, and the safe use of ponds and swimming pools .
The water fluoridation controversy arises from political, ethical, economic, and health considerations regarding the fluoridation of public water supplies . For deprived groups in both maturing and matured countries, international and national agencies and dental associations across the world support the safety and effectiveness of water ...
Filtration is a physical separation process that separates solid matter and fluid from a mixture using a filter medium that has a complex structure through which only the fluid can pass. Solid particles that cannot pass through the filter medium are described as oversize and the fluid that passes through is called the filtrate. [ 1]
IP code. The IP code or ingress protection code indicates how well a device is protected against water and dust. It is defined by the International Electrotechnical Commission (IEC) under the international standard IEC 60529 [ 1] which classifies and provides a guideline to the degree of protection provided by mechanical casings and electrical ...
Water purification is the process of removing undesirable chemicals, biological contaminants, suspended solids, and gases from water. The goal is to produce water that is fit for specific purposes. Most water is purified and disinfected for human consumption ( drinking water ), but water purification may also be carried out for a variety of ...
Henry IV, Part 1 (often written as 1 Henry IV) is a history play by William Shakespeare, believed to have been written not later than 1597. The play dramatises part of the reign of King Henry IV of England , beginning with the battle at Homildon Hill late in 1402, and ending with King Henry's victory in the Battle of Shrewsbury in mid-1403. [ 1 ]