Timber

ClareArmstrong
Mind Map by ClareArmstrong, updated more than 1 year ago
ClareArmstrong
Created by ClareArmstrong over 6 years ago
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Tech (Semester 2) Mind Map on Timber, created by ClareArmstrong on 09/08/2013.
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Timber
1 How do trees benefit us?
1.1 Make oxygen
1.2 Roots protect the soil from being eroded by wind and rain
1.3 Control the climate – e.g global warming, they help the carbon dioxide from the atmosphere
1.4 They beautify our environment
1.5 They are a source of food (such as fruit and nuts) for people and animals
1.6 They provide a wide range of timber products that we use in our homes, offices and factories
2 What are the two groups of trees
2.1 Hardwood
2.1.1 pored wood
2.2 Softwood
2.2.1 non-pored wood
3 Properties
3.1 Colour
3.2 Grain
3.3 Figure
3.4 Hardness
3.5 Strength
3.6 Toughness
3.7 Durability
4 Finishing types for timber
4.1 planed
4.2 dressed
5 Main timber products
5.1 sawn timbers
5.2 veneers and plywoods
5.3 particle board and fibreboard
5.4 round timbers
5.5 wood pulp
6 Veneer and plywood
6.1 logs are made by peeling and slicing
7 particle board and fibreboard
7.1 logs are cut and chipped from the wasted parts of the trees
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