Fries's Structure of English, language teachers have described English words as falling into two broad types: those that belong in the dictionary like 'storm' and 'confabulate', called content or lexical words, and those that belong in the grammar like 'of' and 'the', called structure, function or grammatical words.
tl;dr: Structural Words are the meaningless little words in a sentence that make it flow or move from one important word to the next.
maths and science can be used in medicine and technology. therefore, with this knowledge, people can learn to:
<span>perform surgeries and create implants e.g. moulds for hip operations</span>
invent gadgets and tool
come up with correct formulas
help reduce negative environmental factors e.g. pollution and global warming.
I hope these ideas and examples helped :)
I describe love as family