Question

1. Explain the fabrication of a glass-ceramics

Answer 1

Glass-ceramics have an amorphous phase and one or more crystalline phases and are produced by a so-called "controlled crystallization" in contrast to a spontaneous crystallization, which is usually not wanted in glass manufacturing. Glass-ceramics have the fabrication advantage of glass, as well as special properties of ceramics. When used for sealing, some glass-ceramics do not require brazing but can withstand brazing temperatures up to 700 °C.

Answer 2

Farming is the main activity in Palampur, whereas several other activities such as small scale manufacturing, dairy, transport, etc.