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TYPES OF COMMON TIMBERS, THEIR QUALITIES AND USES The common types of well recognized timbers…

Basic of CARPENTRY Wood obtained from tree is the chief product of forest. It has…

IRON-CARBON EQUILIBRIUM DIAGRAM Fig. shows, the Fe-C equilibrium diagram in which various structure (obtained during heating…

HEAT TREATMENT FURNACES 1. Hearth Furnaces These furnaces are heated by fuel which may be…