Procedure:
1. Dissolve A1, A2, A3 and A4 sequentially in water until well-mixed.
2. Add part B into the vessel with stirring until uniform.
3. Add part C into the vessel with stirring until uniform.
4. Testing and packing.
Procedure:
1. Dissolve A1, A2, A3 and A4 sequentially in water until well-mixed.
2. Add part B into the vessel with stirring until uniform.
3. Add part C into the vessel with stirring until uniform.
4. Testing and packing.
Procedure:
1. Add part A into the vessel with stirring until the solid dissolved.
2. Add part B into the vessel with stirring until uniform.
3. Add pre-mixed part C into the vessel with stirring until uniform.
4.Testing and packing.















