A seismic wave is simply a means of transferring energy from one spot to another within the earth. Although seismologists recognize different types of waves, we are interested in only two types: P (primary) waves, which are similar to sound waves, and S (secondary) waves, which are a kind of shear wave.
Several committees divide their work into sub units called subcommittees. The Senate currently has 16 standing committees, and 4 permanent select or special committees. The House has 19 standing committees and 3 permanent select committees. Committee sizes range from 6 to 50 members per committee. In the House, one person may not serve on more than two standing committees and four subcommittees at one time, though waivers can be granted to serve on additional committees.
There shall be a standing committee designated The Committee of Public Accounts; for the examination of the Accounts showing the appropriation of sums granted by Parliament to meet the Public Expenditure, to consist of nine members, who shall be nominated at the commencement of every Session, and of whom five shall be a quorum.