Agradecemos la contribución de la la web www.freepik.es por sus Gráficos vectoriales diseñados por Freepik

Licensor’s Author: Freepik         Freepik.com:

https://www.freepik.com/free-vector/multimeter-and-electrical-instruments-on￾table_1587524.htm

Licensor’s Author: Freepik         Freepik.com:

https://www.freepik.com/free-vector/crop-workman-working-with-tubes_1925769.htm

Licensor’s Author: Rawpixel.com   Freepik.com:

https://www.freepik.com/free-vector/people-renovating-the-house￾concept_2826158.htm

Licensor’s Author: Freepik          Freepik.com:

https://www.freepik.com/free-vector/cleaning-objects-and-space-on-right_1347096.htm

Licensor’s Author: Freepik         Freepik.com:

https://www.freepik.com/free-vector/cleaning-products-and-space-in￾middle_1347100.htm

Licensor’s Author: Freepik         Freepik.com:

https://www.freepik.com/free-vector/janitor-s-hand-spraying-detergent-with-spray￾bottle_2667452.htm

Licensor’s Author: James Walton  stockvault.net:

https://www.stockvault.net/photo/112819/dirty-air-conditioner#

Licensor’s Author: Freepik          Freepik.com:

https://www.freepik.com/free-vector/cleaning-objects-and-space-on-right_1347096.htm