By a given moulding technique condition, the details of contents for producing asbestos-free calcium silicate board, the primary material for the fire duct, were discussed.

This paper studied and discussed the technological process and moulding condition of long (lump) moulding charcoal with biological substance and starch.

The paper discussed the technological process of pelletization of woody fuel, along with moulding condition and structure of moulding machine.