Cracks may be prevented from developing at the corners of welded plating inserts by().
Borglum’s mixture for filling cracks was ______.
Cracks in cylinder and cylinder covers may () from unequal heating.
Cracks in the cylinders and cylinder covers may () unequal heating.
Cracks in the cylinders and cylinder covers may () unequal heating.
Cracks in cylinder and cylinder covers may () from unequal heating.