input: 512 more shading units
fixed: 512 more shading units.

input: The length of the annual holiday is 20 days a week counting as 5 days
fixed: The length of the annual holiday is 20 days, a week counting as 5 days.

input: As simple as that Here is an example doing just that
fixed: As simple as that! Here is an example doing just that.

input: Earthworms eat plant remains and mix them into the soil as they munch their way through the soil profile
fixed:
Earthworms eat plant remains and mix them into the soil as they munch their way through the soil profile.