Since we know that RRS is the circuit chemical and volume control, we can find the RCV and look for the 322 block VP .
But before that, we will explain the three-digit number nnn is used to count the elements.
First, some facts:
The numbers range from 000 to 999.
- The numbers are used to count the different elements in a row.
- If numbers are omitted, to allow adding items later.
- If numbers are missing, it can be explained by the fact that an item has been removed.
