Text: under such conditions, the productivity of materials becomes a key factor in economic production or operation.

Correct capitalization: Under such conditions, the productivity of materials becomes a key factor in economic production or operation.

Text: the product chinese tattoo "dragon symbol" has been added to comparison list.

Correct capitalization: The product Chinese tattoo "Dragon Symbol" has been added to comparison list.

Text: and her bisexuality then, i actually believe she was bisexual.

Correct capitalization: And her bisexuality then, I actually believe she was bisexual.

Text: he is independent, it looks cool and even insensitive. it stands for idealism, as most of the blue means a thought, but a small portion of yellow - the origin of ideas, inspiration, suddenly came the idea.

Correct capitalization:
He is independent, it looks cool and even insensitive. It stands for idealism, as most of the blue means a thought, but a small portion of yellow - the origin of ideas, inspiration, suddenly came the idea.