Please capitalize where necessary: push your arms upward till you feel a good stretching of your chest and shoulders.
A: Push your arms upward till you feel a good stretching of your chest and shoulders.

Please capitalize where necessary: similar to trevira cs, nomex materials are flame retardant, however, nomex holds the extra feature of having a very high melting and self-ignition temperature.
A: Similar to Trevira CS, Nomex materials are flame retardant, however, Nomex holds the extra feature of having a very high melting and self-ignition temperature.

Please capitalize where necessary: many took pictures of the individual icebergs without knowing they’re going to see hundreds and take lots of pictures.
A: Many took pictures of the individual icebergs without knowing they’re going to see hundreds and take lots of pictures.

Please capitalize where necessary: the landscape also has it moods, which it is essential to understand.
A:
The landscape also has it moods, which it is essential to understand.