Defect in timber due to insect in Hindi / Defect in wood / Types of Defect in timber in Hindi 

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Defect in timber due to natural forces in hindi
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Dfect in timber due to fungi
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Defect in timber due to insect in Hindi
Defect in wood
Types of Defect in timber in Hindi
Defect in timber
defect in wood
types of Defect in timber
causes of Defect in timber
Defects in Timber?
Timber is a natural product and every natural product has some imperfections. Timbers are not excluded from that. Most of the defects in timber cause weakness or others sorts of difficulties. The followings are the five main types of defects in timber:
1-Defects in timber due to Natural Forces
2-Defects in timber due to Fungi
3-Defects in timber due to Attack by Insects
4-Defects in timber due to Defective Seasoning
5-Defects in timber due to Defective Conversion
burls
rindgaal
foxiness
callus
chemical stain
knots
deadwood
Heart Shakes
Cup Shakes
Star Shakes
Ring Shakes
Radial shakes
upsets
twisted fibre
water stain
wind crack
brown rot
white rot
heart rot
blue stain
dry rot
wet rot
termites
beetles
marine bores
fungis
Cupping
Bowing
Twisting/ warping
Springing
End splits
Surface splits/checks
Case hardening
Collapse or wash boarding
chip marks
diagonal grain
torn grain
wane
technical study for SSC & BANK & RAILWAY & OTHER GOVT. EXAM
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