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DT > Woods > Flashcards

Woods Flashcards

1
Q

What are the primary sources of materials for producing papers and boards?

A

Natural timbers and manufactured boards

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2
Q

What are the properties of Ash?

A

Tough, flexible, wide grained, shock resistant, finishes well

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3
Q

What are common uses for Ash?

A

Sports equipment, hand tools, ladders

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4
Q

What are the properties of Larch?

A

Tough, durable, good water resistance, finishes well

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5
Q

What are common uses for Larch?

A

Fencing, cladding, decking, furniture

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6
Q

What are the properties of Beech?

A

Strong, dense, close grain, prone to warping and splitting

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7
Q

What are common uses for Beech?

A

Furniture, children’s toys, bench tops

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8
Q

What are the properties of Pine?

A

Lightweight, easy to work with, can be knotty

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9
Q

What are common uses for Pine?

A

Interior joinery, furniture, window frames

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10
Q

What are the properties of Mahogany?

A

Strong, durable, easy to work with, finishes well

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11
Q

What are common uses for Mahogany?

A

High end furniture

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12
Q

What are the properties of Spruce?

A

Easy to work with, lightweight

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13
Q

What are common uses for Spruce?

A

Furniture, musical instruments, construction

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14
Q

What type of trees are hardwoods obtained from?

A

Deciduous trees

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15
Q

What are the characteristics of hardwoods?

A
  • Grow in warmer, more humid climates * Grow slowly (80+ years) * More difficult to sustain than softwoods * More expensive than softwoods * Strong and hardwearing
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16
Q

What type of trees are softwoods obtained from?

A

Coniferous trees

17
Q

What are the characteristics of softwoods?

A
  • Grow quickly, making them sustainable * Usually grow in colder climates * Grow thin, needle-like leaves * Grow relatively quickly (30 years) * Easier to sustain than hardwoods * Easy to cut and shape * Usually cheaper than hardwoods
18
Q

What are manufactured boards made from?

A

Waste sections of felled trees

19
Q

What are the benefits of manufactured boards?

A
  • Come in sheet form (usually 1.2 x 2.4m) * Extremely stable and of uniform thickness * Less expensive than laminating planks of timber * Can be covered with veneers * Available in various thicknesses (3, 6, 9, 12, 15, 18, 22mm)
20
Q

What are the properties of Oak?

A

Strong and lightweight

21
Q

What are common uses for Oak?

A

Flooring, furniture, timber framed buildings

22
Q

What are the properties of Balsa?

A

Strong, durable, very lightweight, can snap if too thin

23
Q

What are common uses for Balsa?

A

Model making, floats, rafts

24
Q

What are some surface finishes for natural timbers?

A
  • Paint * Stain * Wax * Varnish
25
Q

What is the purpose of applying finishes to timbers?

A
  • Seals the wood from heat and water * Enhances the grain and surface * Colors the surface * Provides aesthetic appeal
26
Q

What is Medium Density Fibreboard (MDF)?

A

Compressed board that is rigid, stable, easy to work with, and absorbent

27
Q

What are common uses for MDF?

A

Flat pack furniture, kitchens, toys

28
Q

What is plywood?

A

A laminated board stable due to its alternate layering at 90°

29
Q

What are common uses for plywood?

A

Furniture, shelving, skateboards, exterior fencing

30
Q

What are the properties of chipboard?

A

Compressed board not as strong as MDF or plywood, prone to chipping

31
Q

What are common uses for chipboard?

A

Flooring, low end furniture, kitchen units, cupboards

32
Q

What is veneer?

A

Very thin layers of wood that can be glued onto manufactured board

33
Q

What is lamination?

A

Bonding by gluing strips of materials together in layers

34
Q

True or False: Wood is considered a sustainable material.

A

True

35
Q

What organization is dedicated to ensuring timber supplies are regulated and sustainably harvested?

A

The Forest Stewardship Council (FSC)

36
Q

What is a key issue related to timber use in many parts of the world?

A

Timber is being used faster than trees are being replanted, causing deforestation

37
Q

What is the impact of deforestation?

A

Seen as a key factor in global warming

DT (4 decks)

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