It is an eight hour class

An eight-hour clock is a clock that has only eight numbers on its face. The hour hand of an eight hour clock takes eight hours to rotate once, dividing the day into three separate periods, each eight hours long. Railway station operators once used eight-hour clocks to calculate their work shifts and the train schedules.

300 mph

beru has the most dangerous volcano. killed over 20,000 people in the last hour

Ira Steward has written:

'The Eight hour movement' -- subject(s): Eight-hour movement