I would include the necessary reference figures for the questions that need it. How does it not include a photo of the figure the question is referencing? Terrible
Patrick Nagel
Reviewed on 07/03/2023
really good
yamil brull
Reviewed on 06/10/2022
MONIQUE J
Reviewed on 03/19/2021
IBRAHIM B
Reviewed on 02/09/2021
Dave D
Reviewed on 01/04/2021
Ward B
Reviewed on 04/20/2020
Sachin K
Reviewed on 04/19/2020
Educativ coures
Mohamed Juma Jalloh
Solar PV Installer/Technician , TARA ENERGY SL LIMITED