The external file escaped stairs are generally made of ___

_____________ arches can be constructed of the precast cement concrete blocks or Monolithic concrete.

Identify the type of Arch given below.

The incline rail over the string is known as a _____

Identify the type of Arch given below.

The total length of a Stair in a horizontal plane is known as the ______

The formwork for _______ consists of sheets, studs, Wales, ties and braces.

In formwork for the wall, the _____ are provided by vertical Struts and horizontal wales.