Related Clues:

• Shaft Greece, say, if that doesn¿t sound sick
• Flammable fuel source
• Shaft beneath a nodding donkey?
• ___ moss (gardening purchase)
• The princess felt it in the middle of advertising what's useful to whisky industry
• Three-__: consecutive sports titles
• Painting skilfully could be a source of serious income
• Boring but sound advice for engineers
• Plant taking time to decompose into this?
• Gusher, perhaps
• Painting proficiently - but this is a bore!
• Measure of living organisms, including fish round island
• Plant going to rot in the end becoming this?
• Drilled shaft in earth without spades, very probably
• One may get bored in the petroleum business