Fears that it lacked a sufficiently skilled workforce prompted the abandonment of a two-tier school system in the late 1960s.

Evidence of ability means little unless state school teachers are themselves bright or sufficiently skilled to recognise real potential.

However, increasing numbers of employers have been reporting difficulties in finding sufficiently skilled employees to fill vacancies.

Sufficiently skilled practitioners can and do modify the practices to serve specific purposes or to take advantage of the century-plus development in the craft to improve their effect.