Abstract: A safety helmet fan system includes a safety helmet comprising a mount slot and a housing comprising a body having a fan enclosure, a mount configured to engage the mount slot to removably attach the housing to the safety helmet, and a hinge connecting the body to the mount, wherein the mount is engaged to the mount slot and the hinge is configured to allow the body to rotate, relative to the mount, between a cooling position and a stowed position wherein in the cooling position a rotational axis of the fan is below an axis of rotation of the hinge, and in the stowed position the rotational axis of the fan is above the axis of rotation of the hinge.

Abstract: A holding bin includes a plurality of compartments defined across a width of the holding bin, each compartment of the plurality of compartments configured to receive a plurality of food holding trays. A housing defines an outer perimeter of the holding bin. A first display is secured through the housing. A second display is removably secured to the housing. A controller is communicatively connected to the first display and the second display. The controller is configured to operate the first display and the second display to coordinatedly present a location and a status of a food tray within a compartment of the plurality of compartments.