Deferred Payment (Usance) Letter of Credit. In Deferred Payment Letters of Credit, the buyer accepts the documents related to the letter of credit and agrees to pay the issuing bank after a fixed period. This credit gives the buyer a grace period for payment.
Magnet therapy: Magnetic therapy, also called magnetic field therapy and bioenergy therapy, is an alternative therapy that uses magnets of varying sizes and strengths that are placed on the body to relieve pain and treat disease.
For other uses of electromagnetic fields in medicine, see Electromagnetic therapy. Alternating electric field therapy,sometimes called tumor treating fields(TTF or TTFields), is a type of electromagnetic field therapy using low-intensity electrical fields to treat cancer.