Chapter 18
Improving Solutions . . . . . . . . . . . . 394
Reasons for Improvements . . . . . . .396
Think Green: Reduction. . . . . . . . . .398
Sources of Improvement . . . . . . . . .400
Career Highlight: Building
Inspectors . . . . . . . . . . . . . . . . .402
Making Improvements . . . . . . . . . . .404
Chapter 18 Activity A
Communication Design . . . . . . . . . 407
Section 4
Technological
Contexts . . . . 410
Technology Headline: Personal Rapid
Transit Systems . . . . . . . . . . . . . . . 411
Chapter 19
Agricultural and Related
Technology . . . . . . . . . . . . . . . . . . . . 412
Main Types of Agriculture . . . . . . . . 414
Agricultural Crops . . . . . . . . . . . . . . 414
Technology in Agriculture . . . . . . . . 417
Raising Livestock . . . . . . . . . . . . . . .426
Special Types of Agriculture . . . . . .426
Technology Explained: Landscape
Plants . . . . . . . . . . . . . . . . . . . . .428
Agriculture and Biotechnology . . . . .429
Food Production . . . . . . . . . . . . . . .430
Think Green: Sustainable Agriculture . 434
Artificial Ecosystems . . . . . . . . . . . .435
Quality Control in Agriculture and
Biotechnology . . . . . . . . . . . . . .436
Career Highlight: Agricultural
Managers . . . . . . . . . . . . . . . . . .436
Chapter 19 Activity A
Agriculture and Biorelated
Technology . . . . . . . . . . . . . . . . . . . . 440
Chapter 20
Construction Technology . . . . . . . . 442
Buildings . . . . . . . . . . . . . . . . . . . . .445
Civil Structures . . . . . . . . . . . . . . . .448
Career Highlight: Painters . . . . . . . .448
Constructing a Structure . . . . . . . . .449
Think Green: Green Architecture . . .452
Technology Explained: Tower
Cranes . . . . . . . . . . . . . . . . . . . .457
Chapter 20 Activity A
Construction Technology . . . . . . . . 465
TSA Modular Activity: Engineering
Structure . . . . . . . . . . . . . . . . . .471
Chapter 21
Energy-Conversion Technology . . 474
Conversion and Converters . . . . . . .476
Technology Explained: Turbines . . .480
Think Green: Renewable Energy . . .485
Energy and Power Transmission . . .490
Quality Control in Energy and Power
Systems . . . . . . . . . . . . . . . . . . .492
Using and Conserving Energy . . . . .492
Chapter 21 Activity A
Energy-Conversion Technology . . 495
TSA Modular Activity: Web-Page
Design . . . . . . . . . . . . . . . . . . . .497
Chapter 22
Information and Communication
Technology . . . . . . . . . . . . . . . . . . . . 500
Communication and Information . . .502
How We Communicate . . . . . . . . . .503
Communication Technology . . . . . .503
Career Highlight: Desktop
Publishers . . . . . . . . . . . . . . . . .506
Types of Communication Systems . . .507
Technology Explained: Bar Code
Readers . . . . . . . . . . . . . . . . . . .509
Think Green: Green Paper . . . . . . . 513
The Communication Process . . . . .520
Career Highlight: Computer Systems
Analysts . . . . . . . . . . . . . . . . . . .523
Communication Messages . . . . . . .524
Information Technologies . . . . . . . . .531
Quality Control in Communication
Systems . . . . . . . . . . . . . . . . . . .535
Contents
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