Periodos tecnológicos

1. Tecnologia ingieneril

1.1. https://i.pinimg.com/originals/cf/77/82/cf778229bacae8cb6847261dd91d2ec5.jpg

1.1.1. https://www.neurocirugiachile.org/wp-content/uploads/2018/01/drmura.jpg

1.1.2. https://ars.els-cdn.com/content/image/1-s2.0-S1283081X19417025-gr1.jpg

2. Tecnologia al azar

2.1. https://webs.ucm.es/info/especulo/numero32/medicim1.jpg

2.1.1. https://www.yogamexicali.com/s/cc_images/teaserbox_16120422.jpg?t=1486757988

2.2. https://comosabemos.files.wordpress.com/2016/04/homeopatia.jpg

3. Tecnologia del artesano

3.1. https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQtKfClLbPmtIGeQvAuXQXdF4Om1fMiI2EWzNUnlFq2JFoZaQz8&s

3.1.1. https://upload.wikimedia.org/wikipedia/commons/e/e9/Reeve41868lamps.jpg

3.1.2. https://www.vivosano.org/wp-content/uploads/2018/02/shutterstock_180665885.jpg