Page 108 - basic control system

PHOTO CREDITS

1. Mohamed, H. (2018). Smart home system collection
bulb. https://pixabay.com/illustrations/smart-home-

system-collection-bulb-3720021.

2. Peggy, M. (2012). Idea pear lamp light light bulb.

https://pixabay.com/illustrations/idea-pear-lamp-light-
light-bulb-1014016.

3. Vectors, O. (2013). Rappelling abseiling abyss
climbing.https://pixabay.com/vectors/rappelling-abseiling-

abyss-climbing-153613.

4. Peggy, M. (2013). Number 123 pay digit birthday.

https://pixabay.com/images/search/user:peggy_marco%2
0numbers.

5. Cottonbro. (2020). Silver and Black Water Pump.
https://www.pexels.com/photo/alcohol-industry-

technology-factory-5532841/

6. Peggy, M. (2013). Sport train active fitness.

https://pixabay.com/illustrations/sport-train-active-fitness-
1014015/

7. Clker Free Vector Images. (2012). Human body

circulatory system. https://pixabay.com/vectors/human-

body-circulatory-system-41635.

8. Geralt. (2020). Anatomy human heart pulse frequency.
https://pixabay.com/illustrations/anatomy-human-heart-

pulse-frequency-5119706