What is the purpose of headings and subheadings

they were expected to behave as the adults in their chores, and at church. they couldn't express their emotion because it was a offence to their family. they rarely played with toys or games because they were saw as distractions. boys were expected to fish, hunt work at carpentry and crafts, while girls should cook, wash, clean and sue. they learned to read because they should read the bible.

hope this

technical documents should be clear and precise. basically, clarity is the key element in a successful technical document.