Need help with 7.1.4 block pyramid 2.0 error code h s. I have no idea how to solve this code

Our primary purpouse as electricians is to do wich of the following core concepts? a: install electrical components in a way they can be upgraded b: install electrical equiptment in a way that reduces heat c: install electrical systems in a safe manner d: only b and c

Why should characters such as / \ " ' * ; - ? [ ] ( ) ~ ! $ { } < > # @ & | space, tab, and newline be avoided in file names?

Which of the following is an example of intellectual properly! oa. new version of a novelb. journal of ideasc. pages of a bookood. lines of a poem