presence of excess carbonaceous matter in the clay presence of gas forming material in the clay bad or rapid burning all the above
Answer Discuss in Comment
mixing blending treating none of the above
underburning bloating lamination efflorescence
lamination bloating nodules chuffs
bamboo cane palm teak
sal coconut teak teak
walnut sal eak deodar
kail deodar shisham walnut
sal teak deodar oak
plywood lamin board veneer none of the above
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