No part of any gas station shall be used for dwelling purposes.

No part of any building shall be used as a gas station and no gas pumps, car lifts or other service appliance used to serve or supply motor vehicles shall be erected within 20 feet of any residential boundary line.

No fuel or oil pump, no oiling or greasing mechanism and no other service appliance installed in connection with any gas station property shall be within 10 feet of any property lines.