question: composting will increase the content of carbonaceous organic material of the soil, which leads to an increase of the water-retaining capacity and the accessibility to nutrients.
Capitalize this past sentence correctly.
A: Composting will increase the content of carbonaceous organic material of the soil, which leads to an increase of the water-retaining capacity and the accessibility to nutrients.

question: figure: most frequently incidents documented on 31 german biogas plants over one year period [ktbl 2009]
Capitalize this past sentence correctly.
A: Figure: Most frequently incidents documented on 31 German biogas plants over one year period [KTBL 2009]

question: dowel max precision engineered wood carpentry system: this provides strong exactly three loops of any size and configuration.
Capitalize this past sentence correctly.
A: Dowel Max Precision Engineered Wood Carpentry System: This provides strong exactly three loops of any size and configuration.