"But small local manufacturers made most of it, and their anonymous workshops usually lasted only 10 to 20 years."

The workshop lasted several weeks.

Typically, each workshop lasts 18-20 hours over a two or three-day period.

The workshop only lasted for one generation.

Each workshop would last 1 to 2 days.

The workshop lasts for 8 or 9 days and always has a certain theme.

This workshop starts at 11 A.M. and lasts about an hour.

The workshop is free for members and $3 for nonmembers (includes museum admission) and lasts about 90 minutes.

A workshop lasts for four hours, and covers more moves than are covered in a single regular evening class.

Each workshop lasted 40 minutes.