tip: incorrect hak file association errors can be a symptom of other underlying issues within your windows operating system.

How would the previous sentence be correctly capitalized?
Answer: Tip: Incorrect HAK file association errors can be a symptom of other underlying issues within your Windows operating system.
vitamin b9 is active ingredient for medicines manufactured by differ manufacturers and sold in differ countries under the trade names folic acid.

How would the previous sentence be correctly capitalized?
Answer: Vitamin B9 is active ingredient for medicines manufactured by differ manufacturers and sold in differ countries under the trade names Folic acid.
on this page, you can read more about working at leman, applying for positions and advantages for new employees.

How would the previous sentence be correctly capitalized?
Answer: On this page, you can read more about working at LEMAN, applying for positions and advantages for new employees.
the complexity and multiplicity of the health center are the immeasurable strength and challenge of the project developed through wide expert knowledge and experience of the team.

How would the previous sentence be correctly capitalized?
Answer: The complexity and multiplicity of the Health Center are the immeasurable strength and challenge of the project developed through wide expert knowledge and experience of the team.