Deposition, interrogatories, requests for documents and things, requests for admissions, and answers and responses thereto, shall not be filed with the Court Clerk, except by order of the assigned judge or unless they are attached to a motion or response thereto. Upon serving answers or responses to interrogatories, requests for admissions and or production on opposing parties or counsel, the answering or responding party or counsel shall file a certification of compliance with discovery. Nothing in this rule shall prohibit the use of depositions, interrogatories, and requests for document, requests for admission, and answers and responses thereto in a trial or hearing.