it depends
explain four ram steering gear system
Never heard of steering wheel balls, please explain.
Stop cheating and do your own exam work.
Explain the difference between the vassals and the serfs
Describe is what it is and explain is why it is as it is
Describe is what it is and explain is why it is as it is
Explain the difference between young and mature mountains?
explain the difference between the two types of feeding?
explain the difference between cash and credit transaction
Explain the difference between share of customer and customer equity
Personal staff members work directly for a member, and generally focus on local interests. Professional staff members (referred to as PSMs) work for a committee. The committee relies on the professional staff to conduct visits and report their findings to committee members. The interest of a PSM is typically focused on programs or systems for which the committee has oversight responsibility. PSMs on military oversight committees are often retired military officers. This is from a US Military site here http://www.tradoc.army.mil/cong/faqs.htm#4