The steel which contains fissures and cavities, is manufactured by

Inner part of a timber log surrounding the pith, is called

Pig iron made from heamatite ores free from sulphur, phosphorus and copper, is known as

For light and ornamental casting, the most unsuitable pig iron, is

Pick up the synthetic resin from the following:

Pick up the correct statement from the following:

Lacquer paints

The sequence of refractory materials according to increasing melting points is :

Black marble is generally found in the district of