3. with words in a series. When a writer puts no mark of punctuation and no coordinating conjunction between independent clauses . Gestures are a means of communication for everyone they are essential for the hearing impaired. Two or more independent clauses are joined by a comma without a coordinating conjunction. Gestures are a means of communication for everyone, they are essential for the hearing impaired.
Gestures are a means of communication for everyone, but they are essential for the hearing impaired.
Use a semicolon . Make the clauses into separate sentences. Gestures are a means of communication for everyone. They are essential for the hearing impaired. Restructure the sentence by subordinating one of the clauses.