railway RRB ALP (CBT 1 + CBT 2 + CBAT) Mock Test Series 2025 (New) Fitter Tools Marking and Marking Tools
A marking media is required to apply on machined surface. Which of the following marking media takes more time for drying?
1
Prussian Blue
2
Copper Sulphate
3
Cellulose Lacquer
4
All of these