Once of duty in two years

To use for trading and certification “balance” is supposed to undergo a “routine inspection” every two years.
Among lingering summer heat tough, we went to this inspection.
Measuring instruments, so something that error is caused by even use conditions and the like be those that have passed the test, by which to conduct regular inspection, to ensure the accuracy of the meter, properly weighed against trading system, which was intended to.
This will Deki give you a cup of tea to further peace of mind by customers.