id	keyword
esrj-27199	� �
esrj-27199	excavation
esrj-27199	energy
esrj-27199	speed
esrj-27199	machine
esrj-27199	time
esrj-27199	progression
esrj-27199	rotation
esrj-27199	tunnel
esrj-27199	total
esrj-27199	figure
esrj-27199	torque
esrj-27199	rock
esrj-27199	epb