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Centreless grinding
Science, Maths & Technology

Centreless grinding

...systems and applications Through feed​ [Images to demonstrate 'Centreless grinding' - see article ] Infeed End feed Manufacture: Centreless grinding is used primarily for volume production and finishing, particularly for work which cannot be held between centres. There are several types of centreless grinding, all of which consist of three basic elements: Grinding...
Full mould casting (evaporative pattern)
Science, Maths & Technology

Full mould casting (evaporative pattern)

...system and the metal. Yields are slightly higher (50–80%) than the conventional methods, since risers are seldom needed. Typical products include automotive castings such as camshafts, crankshafts, ball-valve casings and caterpillar tracks. Materials: All castable materials with casting temperatures above that required to vaporise the polystyrene (≃700° C). The...
King Charles I, 1600 - 1649
History & The Arts

King Charles I, 1600 - 1649

...system based on hierarchy was entirely consistent with his belief in divine right monarchy. However, his enthusiasm for ceremony, ritual and vestments brought him into conflict with the Puritan faction which favoured a stripped down approach to worship and who regarded anything other than this as 'popery'. With the assistance of Archbishop Laud, Charles attempted to...
Ethnicity as a Learning Tool
Education & Development

Ethnicity as a Learning Tool

...system used to address equality and diversity. Challenge 2: Inequitable learning attainment [Student graduating wearing academic dress] Ethnicity is contributing to the widening gap in learning attainment as is evident in the recent statistical report by the Universities UK (2019). The question is if ethnicity is a contributing factor to the inequitable learning outcomes...
Sand casting
Science, Maths & Technology

Sand casting

...system moulded in the top and bottom halves of the mould. Cores are used to form holes in the castings. They are placed in the split moulds after pattern removal. Usually, cores are made by dry sand moulding techniques. Core sand is mixed with oil, organic bonding material and water. They are moulded in core boxes, then removed and baked at 170–230 ˚C. A newer method...
Article 5 mins
Forgotten families
Health, Sports & Psychology

Forgotten families

...system to identify children affected by parental imprisonment and no systematic referral procedures for support. Although research is somewhat limited, it does reveal how greater visibility of needs and targeted support can positively impact children’s lives, breaking cycles of intergenerational offending and achieving better outcomes for families. How can the needs of...
Teaching reading: what are our long term goals?
Education & Development

Teaching reading: what are our long term goals?

...systems, these surveys arguably serve to constrain what counts as reading in school and are likely to limit longer-term goals. To foster readers for life, a better balance needs to be struck between teaching reading skills and encouraging reading for pleasure – volitional reading which reflects the agency of the reader. As Cremin et al., (2014) have shown readers...
Calculating your carbon footprint
Nature & Environment

Calculating your carbon footprint

...systems. Nevertheless, individuals can contribute by reducing their personal carbon footprints. The UK’s Committee on Climate Change said in its 2021 Report to Parliament that individual action could potentially reduce national emissions by over half by 2035. Meeting the Net Zero target will require increased action from people, as consumers, workers, households,...