Abstract: A face mask is provided. The mask comprises a body defining an interior side and an exterior side of the face mask; a one-way inlet valve that only allows gas to pass from the exterior side of the body to the interior side; and a one-way outlet valve that only allows gas to pass from the interior side of the body to the exterior side. By providing a face mask configured in this manner, the mask is able to provide fresh air to the wearer while reducing the likelihood of contamination by pathogens or other toxic matter.

Abstract: Systems and methods are provided for delivering containers filled with goods (such as groceries and foodstuffs). According to embodiments of the invention, a delivery order is taken from a customer for a set of goods; the set of goods ordered by the customer are packed in a container; the container with the stored goods is transported to the residence of the customer; and the container is locked to a docking station at the residence of the customer. Thereafter, using a key, the customer may unlock the container and remove the ordered goods from the container. Additional embodiments for facilitating the delivery and ordering of goods are also provided.