2.
A strong, regular, repeated pattern of sound
3.
A thing you blow that makes a sound
4.
To move eyebrows together for an angry, unhappy expression
5.
wire Metal fencing material with sharp points
6.
Wall or fence across a road or door to block people
7.
To move on your hands and knees
8.
A worker who is in charge of a group of other workers.
9.
The two metal lines a train travels on
