Patent application documents can be illustrated with attached drawings.
Text parts are not allowed in drawings.
Only Arabic numerals can be used for marking.
Note: Where a patent application has multiple drawings,
The same part must be marked with uniform Arabic numerals.
How many diagrams are numbered with 1, Figure 2 and Figure 3.
For example, the first lifting pipe in figure 1 is marked with 1.
The first riser in Figure 2 must also be marked with 1.