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▼ Tionscal an Mhiotail, Bailchríochnú Miotail
Metallurgy, Metalwork
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Allowance made on patterns to compensate for the decrease in dimensions as solidified casting cools in the mould. A pattern is made larger by the amount of contraction characteristic of the metal being used.
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FÉACH FREISIN · SEE ALSO
# degreaser · díbhealaitheoir # degreasing treatment · cóireáil díbhealaithe#
Given that there are suitable alternatives available, the current ban on using sulphur hexafluoride in magnesium die-casting and the recycling of magnesium die-casting alloys should be extended to facilities that use less than 850kg of sulphur hexafluoride per year.
Ós rud é go bhfuil roghanna oiriúnacha ann, ba cheart an toirmeasc reatha ar heicseafluairíd sulfair a úsáid i dteilgean dísle maignéisiam agus athchúrsáil cóimhiotal teilgin dísle maignéisiam a leathnú go saoráidí a úsáideann níos lú ná 850 kg de heicseafluairídí sulfair in aghaidh na bliana.