Text: for a long time we used to think that clock is just a time-measuring tool. at the same time ingenious alien scinetists have been deeply exploring the time phenomenon and finally created interstellar time factory aimed to produce the time of the highest quality.

Correct capitalization: For a long time we used to think that Clock is just a time-measuring tool. At the same time ingenious Alien scinetists have been deeply exploring the time phenomenon and finally created interstellar Time factory aimed to produce the time of the highest quality.

Text: he continued to work on his ideas until a few days before his death, the power and depth of his intellect being undiminished by illness.

Correct capitalization: He continued to work on his ideas until a few days before his death, the power and depth of his intellect being undiminished by illness.

Text: look at the user comments written from past buyers.

Correct capitalization: Look at the user comments written from past buyers.

Text: for the pestsurf sandy pond, which is in direct contact with shallow groundwater, transport in groundwater is the dominating mechanism.

Correct capitalization:
For the PestSurf sandy pond, which is in direct contact with shallow groundwater, transport in groundwater is the dominating mechanism.