The Times Concise puzzle clues 2017 Feb 07

• 10 down cheese Crossword Clue
• At the right moment Crossword Clue
• Classical language Crossword Clue
• Conveyor of fluids Crossword Clue
• Explanation as to how something might work Crossword Clue
• Ineffective person Crossword Clue
• Literary bear Crossword Clue
• Monotonous song Crossword Clue
• One with specialised knowledge Crossword Clue
• Person exerting sinister control over another Crossword Clue
• Pungent condiment Crossword Clue
• Sharply reprimand Crossword Clue
• Strong chess player Crossword Clue
• Tally; group of twenty Crossword Clue
• The working class Crossword Clue
• Toil Crossword Clue
• Towards the summit Crossword Clue