Sources:
https://en.wikipedia.org/wiki/Internet_of_things
https://en.wikipedia.org/wiki/3D_printing
https://en.wikipedia.org/wiki/Self-driving_car 
Fig.1 https://en.wikipedia.org/wiki/Internet_of_things#/media/File:Internet_of_Things.jpg
Fig.2 https://en.wikipedia.org/wiki/Internet_of_things#/media/File:Internet_of_Things.svg
Fig.3 https://en.wikipedia.org/wiki/3D_printing#/media/File:MakerBot_ThingOMatic_Bre_Pettis.jpg
Fig.4 https://en.wikipedia.org/wiki/3D_printing#/media/File:84530877_FillingSys_(9415669149).jpg
Fig.5 https://upload.wikimedia.org/wikipedia/commons/b/ba/3D_selfie_in_1_20_scale_in_my_palm_after_one_spray_of_clear_satin_acrylic_varnish_IMG_4751_FRD.jpg
Fig.6 https://en.wikipedia.org/wiki/3D_printing#/media/File:HCC_3D_printed_turbine_view_1.jpg
Fig.7 https://en.wikipedia.org/wiki/Self-driving_car
Table.1 \cite{wang2018}