Introduction
PRIMARY SECTOR
Stage of Coal
Stage of Steel
Stage of Wool
SECONDARY SECTOR
Stage of Silk
Stage of Clay
Stage of Food
TERTIARY SECTOR
Stage of Travel
Stage of Film
Conclusion
Home
Our project
The partner group
Our schools
Teacher's resource pack
History of industry
Mobility highlights
Mobility programmes and minutes
Media and dissemination
Links
COAL DEPOSITS IN BULGARIA
Coal Deposit in Bulgaria
Coal Production in Bulgaria
