weight capacity, kg 40

How would the previous sentence be correctly capitalized?
Answer: Weight capacity, kg 40
you are worth it.

How would the previous sentence be correctly capitalized?
Answer: You are worth it.
hi, my name is firewoman and i am 21 years.

How would the previous sentence be correctly capitalized?
Answer: Hi, my name is FireWoman and I am 21 years.
"waste and scrap" of paper or paperboard made mainly of mechanical pulp (excl. old and unsold newspapers and magazines, telephone directories, brochures and printed advertising material)

How would the previous sentence be correctly capitalized?
Answer: "Waste and scrap" of paper or paperboard made mainly of mechanical pulp (excl. old and unsold newspapers and magazines, telephone directories, brochures and printed advertising material)