what is investment casting?
difference between seam and spot welding?
What is the material of drill bit?
Describe the nomenclature of drill bit?
Different types of allowances in mold?
how molding sand strength is calculated?
what are the constituents of molding sand?
Types of mold and their names?
Difference between blazing and soldering?
What is angle of twist in drill?
What is split nut?
No comments:
Post a Comment