step 1 selection of "invoice and delivery address" (if the customer does not have a customer account and is not logged in; otherwise the invoice and delivery addresses are already stored);

How would the previous sentence be correctly capitalized?
Answer: Step 1 Selection of "Invoice and Delivery Address" (if the customer does not have a customer account and is not logged in; otherwise the invoice and delivery addresses are already stored);
other jewelry--other necklace--black series tube shape black and white rhinestone adjustable drawstring bracelet

How would the previous sentence be correctly capitalized?
Answer: Other Jewelry--Other Necklace--Black Series Tube Shape Black and White Rhinestone Adjustable Drawstring Bracelet
it could be a new thought, a new insight, the radiation of care and consideration, an act of appreciation, working through a resistance, trying to stay clean in oneself etc. .

How would the previous sentence be correctly capitalized?
Answer: It could be a new thought, a new insight, the radiation of care and consideration, an act of appreciation, working through a resistance, trying to stay clean in oneself etc. .
he received a good foundation for his education at the musterschule which he attended from the age of eight.

How would the previous sentence be correctly capitalized?
Answer: He received a good foundation for his education at the Musterschule which he attended from the age of eight.