It is heated to start the reaction, and when it is complete the resins, residual acetic anhydride and acetic acid are wicked away from the wood, and the pine has become Accoya.

BBC: Rice, straw and coconut the new alternatives to wood

The 16-year-old was walking in a wood in Yateley, near Farnborough, on 9 January when a man threw acid at him.

BBC: Acid attack in Yateley injures teenage boy