2. Your credit score. Different people can be eligible for different interest rates. When you apply for a credit card, the credit card company checks your credit score to see if you are a good credit risk, and if your score is good, youâll be eligible for the best (lowest) interest rates.f you do not pay your credit bills on time, your credit card company can (and usually will) increase your interest rate. The amount that it gets increased depends on the individual situation, but it can be quite a lot.
hypersonic: Of, relating to, or capable of speed equal to or exceeding five times the speed of sound.
Ultrasonic frequency is defined as the frequency of an acoustic wave at a frequency above the audible range for humans. This system operates at a base frequency of 40,000 cycles per second or 40 kilohertz (kHz). Due to the design of the âVibra-barâ transducer âSimultaneous Multi-Frequencyâ is produced.