High-alit contains tricalcium silicate more than ____

Calcium sulphate is present in ordinary cement in the form of ______

We can obtain lake asphalt from lakes at _____

The total alumina content in high alumina cement should not be less than ___

Which of the following is not a synthetic resin?

The substance which is used for removing the excess material by means of cutting is called ________

Total sulphur content in the cement should not be more than _____

In England, high alumina cement is known by the trade name of _______