01:30 - adding the data to the project
02:00 - opening e new model-builder file
02:30 - input and algorithms tabs
03:15 - adding an input box of type "raster layer" to start the workflow
03:45 - adding your first algorithm "raster calculator" - adding inputs to the algorithm
05:00 - defining the output of the algorithm
05:35 - running the model 
05:45 - add name and group of model builder file so that you save it to your models section in the process toolbox

06:20 - naming the model and also assigning to a group
06:40 - where is the model saved? File extension and folder were all models are saved
07:35 - Running the model to check if all works fine
08:25 - getting height of trees at positions of trees using the "sample raster" process
09:30 - adding an input vector layer contrained to be a point shape
11:45 - dependencies in an algorithm
12:35 - naming the algorithm so it makes sense in the workflow
14:50 - add polygons with tarif information 
16:10 - joining tarif values to points by their location (intersection) over polygons
18:00 - add an input to choose the field that contains the tarif value
20:13 - removing an intermediate output of an intermediate algorithm
21:10 - setting the order of the inputs in the panel 
24:30 - field calculator to calculate volume using the "CASE THEN" to differentiate per different tarif
27:18 - field calculator
30:40 - adding the step for creating the heatmap of trees and volumes
30:45 - adding the radius for calculating the volume per hectar (m3/ha)
33:40 - where is the model saved?