This often involves periods of research consulting various written sources in search of passages that might lead him to a treasure.

Others involve long periods away from home when the legislature is in session.

This would involve several periods of working in the field alongside experienced practitioners.

Panic attacks involve short periods of intense anxiety symptoms, which peak within 10 minutes.

In addition many courses involve periods of unpaid professional practice and work experience within the academic year.

Activities that involve long periods of exertion, such as soccer, distance running, basketball, and field hockey, may be less well tolerated.

It involves periods of high-intensity work alternated with rest.

In most cases, those decisions involve extended periods of time and are based on buy-and-hold investment strategies.

At any rate, changes in sensitive areas should involve appropriate transitional periods.

Sculpture tends, I think, to involve longer periods of exclusive focus than do other art forms, and higher materiel costs.