Mr Henry said the vote at the EIS-FELA AGM in Perth "shows just how serious the situation has become in Scotland's colleges".

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The lecturers - who are members of the EIS union - said they had not been offered any increase in their salaries this year, unlike staff at other further education colleges in Scotland.

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The electronic image stabiliser (EIS) provides for high-quality recording and avoids blurry clips.

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The EIS said schools' ability to handle change had been affected by cuts in staffing and in-service training.

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