300 is shown corresponding to the receptacle 60 of fig5 other receptacles can have covers that correspond to the respective shapes of those receptacles the cover 300 can be fully detachable from the receptacle 60 and include a handle 310 on an outer surface of the cover 300 so that a user can remove the cover 300 to deposit material into the receptacle 60 the cover 300 can attached to the receptacle 60 in a known manner such as hingedly connected on one side of the receptacle 60 with a latch and or clasp to keep the cover 300 closed on the receptacle 60 the cover 300 can be rotatable around the hinge the handle 310 can be rotatable to disengage the latch and or clasp to open the cover 300 from the receptacle 60 the handle 310 can also be a hole in the cover 300 designed to allow a user to lift the cover 310 by placing a finger in the hole 310 fig8 shows an example of a receptacle 260 that is made of a wire mesh 270 the receptacle 260 is similar in shape to the receptacle 60 shown in fig5 but is made of the wire mesh material 270 instead of a solid material while fig5 8 show example of rectangular and round receptacle other shapes can also be used such as for example square trapezoidal or oval the corresponding recess in the top surface of the cooktop can be the same shape as the receptacle in order to provide a high quality looking fit when the receptacle 160 is in place in the recess the receptacle of any shape can have a lip that rests on the top.