Securities are typically divided into debts and equities. A debt security represents money that is borrowed and must be repaid, with terms that define the amount borrowed, interest rate and maturity/renewal date. Debt securities include government and corporate bonds, certificates of deposit (CDs) , preferred stock and collateralized securities (such as CDOs â and CMOs â).
Psi : Psi is the abbreviation of pound per square inch, and is widely used in British and American. 1 psi = 6,894.76 Pascals.
Some of these derive from a unit of force divided by a unit of area; the SI unit of pressure, the pascal (Pa), for example, is one newton per square metre; similarly, the pound-force per square inch (psi) is the traditional unit of pressure in the imperial and US customary systems.