If the game freezes, just click inside it (games can get unresponsive if you click elsewhere on the page).
You work in a lumber mill and are in charge of an advanced new type of saw blade. Cut all the incoming wood down to size without reaching the 'No Wood Zone'. Watch out for metal pieces as you try to increase the amount of board feet you cut.
Mouse - Aim and cut wood.
Spacebar - Speed up machine.
Left / Right Arrow Keys - Move.