The following rules shall apply to all uses in this District, except that legal nonconforming uses may continue at the same performance level at which they operated before they became nonconforming in relation to this Zoning Ordinance:
(a) All uses and activities shall be inside buildings, with no outside storage or activity allowed, except for outside dining and other uses expressly allowed.
(b) There shall be no noise carrying beyond a lot upon which a business is located, except for normal car and pedestrian activity.
(c) No uses may include drive through window service