A retractable barrier that helps prevent the spread of communicable disease includes a first outer surface that faces a first direction, a second outer surface that faces a second direction opposite the first direction, and a filter layer between the first outer surface and the second outer surface. The filter layer includes a particulate filtering material. The barrier is selectively extendable from a compartment to establish a partition that separates individuals on opposite sides of the partition.

A retractable barrier that helps prevent the spread of communicable disease includes a first outer surface that faces a first direction, a second outer surface that faces a second direction opposite the first direction, and a filter layer between the first outer surface and the second outer surface. The filter layer includes a particulate filtering material. The barrier is selectively extendable from a compartment to establish a partition that separates individuals on opposite sides of the partition.

A swing bed absorption apparatus includes a bed including a bed housing including, an outer surface, an interior chamber, and a flared interior passageway fluidly connecting the interior chamber to an area located outside of the bed. The flared interior passageway includes an opening in the outer surface, a chamber opening at the interior chamber, a first portion located at the opening, the first portion being fluidly connected to the area located outside the bed through the opening, and a flared portion located at the chamber opening, the flared portion being fluidly connected to the interior chamber through the chamber opening. The flared portion connects to the interior chamber at an obtuse angle.

A safety control system for a worksite includes a video system having a video camera communicable with a video monitoring device and a video recording device, a personnel system having a personnel sensor communicable with a personnel monitoring device and a personnel recording device, a component system having a component sensor communicable with a component monitoring device and a component recording device, and a reporting system configured to access at least one of the video recording device, the personnel recording device, and the component recording device. The reporting system generates a report including information from at least one of the video recording device, the personnel recording device, and the component recording device

A physically-impaired-assisting multi-function sail comprises: a stanchion, a hoisting navigator for allowing an arthritic to deploy and retract the sail without the need to bend the fingers, a hoisting teeter totter secured to the navigator, a teeter-totter hook-lock secured to the teeter totter for automatically locking and unlocking the teeter totter to deploy and retract the sail, a cable secured to a camber, a cable canal formed into the teeter totter for hiding and protecting the cable within, a pivoting pulley housing secured to the teeter totter, a pivoting pulley hub swingingly attached to the pivoting pulley housing, sail-buttresses hingedly attached to the pivoting pulley hub, a sail canopy secured to the sail-buttresses, multiple cable pulleys rotatably secured at multiple locations within the pivoting pulley housing and pivoting pulley hub, a central tube attached to the pivoting pulley hub, sail-buttress-supporting arms hingedly attached to the sail-buttresses, and a shuttling hub attached to the sail-buttress-supporting arms.

A raceway includes a horizontal sleeve element carrying a metallic coil tube therethrough below a ground level associated with a structure such that the horizontal sleeve element is directly embedded in a base layer under the ground level and immediately below a first layer of the ground level. and a curved elbow element directly connected to the horizontal sleeve element at each of both ends of the horizontal sleeve element to transition the metallic coil tube across perpendicular directions. The raceway establishes a pathway for an electrical and/or a breathable air connection between components of a safety system implemented within the structure based on seamlessly and jointlessly drawing the metallic coil tube out of the curved elbow element on the each of both the ends of the horizontal sleeve element. Components of the raceway create a fire rated enclosure for the metallic coil tube.

A raceway includes a horizontal sleeve element carrying a metallic coil tube therethrough below a ground level associated with a structure such that the horizontal sleeve element is directly embedded in a base layer under the ground level and immediately below a first layer of the ground level. and a curved elbow element directly connected to the horizontal sleeve element at each of both ends of the horizontal sleeve element to transition the metallic coil tube across perpendicular directions. The raceway establishes a pathway for an electrical and/or a breathable air connection between components of a safety system implemented within the structure based on seamlessly and jointlessly drawing the metallic coil tube out of the curved elbow element on the each of both the ends of the horizontal sleeve element. Components of the raceway create a fire rated enclosure for the metallic coil tube.

A modular, multi-crew life support system and a method of assembling the system involve a fan to draw in ambient air. The system includes one or more assemblies that produce conditioned air from the ambient air, and a housing to support an oxygen source. The system also includes a port configured as an inlet from the oxygen source to augment the conditioned air, and a duct to disperse a result of augmenting the conditioned air as output air to support two or more occupants of an enclosure.

A modular, multi-crew life support system and a method of assembling the system involve a fan to draw in ambient air. The system includes one or more assemblies that produce conditioned air from the ambient air, and a housing to support an oxygen source. The system also includes a port configured as an inlet from the oxygen source to augment the conditioned air, and a duct to disperse a result of augmenting the conditioned air as output air to support two or more occupants of an enclosure.

An apparatus includes a barrier having a first outer surface that faces a first direction, a second outer surface that faces a second direction opposite the first direction, and a filter layer between the first outer surface and the second outer surface comprising a particulate filtering material.