Which of the following ingredients of the brick earth enables the brick to retain its shape?

Seasoning is

The most important constituent of an oil paint, is

Wrought iron is used for

The fire clay contains pure

Shingle is

The type of arch generally constructed over a wooden lintel or over a flat arch for the purpose of carrying the load of …

The most durable varnish is

Which of the following bricks are used for lining of furnaces?