If you feel grooves, it needs to be machined. If you replace the pads but leave the grooved rotors, the pads will wear unevenly from the beginning. To optimize performance of your braking system, the brake pad should be mated to the metal surface as much as possible. These grooves take away from that process. The same is true with warped rotors.
DEFINITION of 'Qualified Institutional Buyer-QIB'. A corporate entity that falls within the accredited investor category, defined in SEC Rule 501 of Regulation D.
What is a 'Straw Buyer'. A straw buyer is a person who makes a purchase on behalf of another person. A straw buyer is used when the real buyer cannot complete the transaction for some reason. It is not necessarily illegal to use a straw buyer, except where the transaction involves fraud or purchasing goods for someone who is legally barred from making the purchase themselves.