Natural and manufactuerd timbers and other stuff Flashcards

1
Q

What is chipboard ?

A
  • A man made sheet material made from small chips of wood that are bonded together
  • Manufactured board
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2
Q

What occurs when wood shrinks and becomes dry

A

It splits

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3
Q

What type of adhesive joins wood to wood ?

A

PVA- (Polyvinyl acetate)

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4
Q

What is a prototype ?

A

A prototype is a single product made as a one-off or a model

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5
Q

Diffrent types of Softwood’s

A

Pine
Larch
Spruce

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6
Q

What is Softwood ?

A
  • Softwoods come from coniferous trees
  • faster growing than hardwoods
  • cheaper
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7
Q

Pine

A

Pine is a softwood and does not drop leaves

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8
Q

What is a mitre square used for ?

A

Is used for manking angels 90 degrees such as the corners of a picture frame

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9
Q

What manufactured board is glued at a 90 degree angle ?

A

Plywood

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10
Q

What type of metal do you need to make wire ?

A

Ductile metal as it can strech

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11
Q

Which natural fibre grows in bolls ?

A

Cotton

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12
Q

What is Hardwood ?

A
  • comes from deciduous trees
  • large flat leaves that fall in autumn
  • longer to grow than softwood
  • more expensive
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13
Q

Diffrent types of Hardwood ?

A
  • ash
  • beech
  • mahogany
  • oak
  • balsa
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14
Q

What is timber ?

A
  • comes from trees

- the trees need to grow until 25-100 years before they can be cut down to make wood

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15
Q

Diffrent types of Manufactured boards

A
  • medium-density fibreboard
  • chipboard
  • plywood
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16
Q

Manufactured board

A
  • made from timber waste and adhesive
  • to make them more aesthetically pleasing they are veneered
  • cheap to buy
17
Q

FSC

A
  • Forest Stewardship Council
  • estblished in 1993
  • non-profit organization
  • transnational environmental policy