-- card: 19797 from stack: in
-- bmap block id: 20212
-- flags: 0000
-- background id: 10290
-- name: Spiral page


-- part 5 (field)
-- low flags: 00
-- high flags: 0000
-- rect: left=299 top=73 right=306 bottom=465
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 0
-- font id: 3
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name: 


-- part 6 (field)
-- low flags: 00
-- high flags: 0000
-- rect: left=68 top=35 right=68 bottom=430
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 21
-- text size: 18
-- style flags: 256
-- line height: 24
-- part name: 


-- part 7 (button)
-- low flags: 00
-- high flags: 0000
-- rect: left=379 top=300 right=342 bottom=468
-- title width / last selected line: 0
-- icon id / first selected line: 0 / 0
-- text alignment: 1
-- font id: 0
-- text size: 12
-- style flags: 0
-- line height: 16
-- part name: New Button
----- HyperTalk script -----
on mouseUp
  set lockScreen to true
  go to next card
end mouseUp



-- part contents for card part 5
----- text -----
The optical data on the disc can be sandwiched between plastic or glass to protect it from dust and scratches. 

The use of lasers means optical discs are not vulnerable to surface wear. 

It is estimated that the shelf life of an optical disc will be 5-10 years. 

-- part contents for card part 6
----- text -----
Overview of CD-ROM:  Operation