Wilkins Backflow Preventer Repair Kit, For Use With Wilkins No. 34-375, Lead. $29.15
Some schools may also require you to take one or more GRE Subject Tests. The purpose of each GRE examination, of course, is to help graduate schools decide if you've got the right stuff for their program. If you're looking for help with the exam, check out Peterson's full-length GRE practice test.
GRE is defined as an abbreviation for the Graduate Record Examination, an exam for entrance into graduate school. The standard test taken with verbal and quantitative sections is an example of the GRE.