Abstract: A nasopharyngeal device comprises an adjustment mechanism comprising a bolster on a first portion, tubular airway portion extending away from the bolster wherein a continuous airway is provided through an entire length of the airway defined through the bolster and the tubular airway portion, and the tubular airway portion extends froth a proximal end adjustably coupled with the first portion of the adjustment mechanism to a distal tip of the tubular airway portion, wherein the first portion is adjustably coupled to the proximal end of the tubular airway portion such that the first portion slidingly adjusts a length of the first portion within the proximal end of the tubular airway portion such that a distance between the bolster and the distal tip is selectively adjusted to a specific nare to epiglottis distance.

Abstract: A safety strobe light may include a modular design incorporating a body portion, a removable lamp or LED, and a removable means for attachment of the safety strobe light to a boom truck arm. The body portion may be constructed and arranged to house at least a portion of the lamp and means for attachment. The body portion may define a channel constructed and arranged to temporarily and removably attach to an attachment and removal tool attached to a hot stick or similar extension pole. The attachment and removal tool may be constructed and arranged to engage with the channel defined by the body portion, such that safety strobe lights may be attached to and removed from surfaces and objects (such as a boom truck arm).

Abstract: A method for forming a metal beam may comprise: clamping first and second portions of the metal beam in a substantially fixed and in a position whereat the metal beam is rotatable about three axes; applying a net bending force to the clamped second portion of the metal beam at a predetermined angle; sensing twisting of the second portion of the metal beam resulting from the net bending force; and modulating the angle at which the net force is applied to reduce the twisting of the metal beam. As a result, the net bending force is moved toward the shear center and toward being along the principal axis of the metal beam.

Abstract: A method for forming a metal beam may comprise: clamping first and second portions of the metal beam in a substantially fixed and in a position whereat the metal beam is rotatable about three axes; applying a net bending force to the clamped second portion of the metal beam at a predetermined angle; sensing twisting of the second portion of the metal beam resulting from the net bending force; and modulating the angle at which the net force is applied to reduce the twisting of the metal beam. As a result, the net bending force is moved toward the shear center and toward being along the principal axis of the metal beam.

Abstract: An apparatus for bending metal beams and methods of using the same are provided herein.

Abstract: An apparatus for bending metal beams and methods of using the same are provided herein.

Abstract: A grid composite for protecting men and longwall mining equipment during longwall shield recovery includes a regular polymer geogrid structure formed by biaxially drawing a continuous sheet of select polypropylene material which is heat bonded to a polyester fabric. The grid composite is secured over caving shields of longwall mining equipment during a longwall mining operation. The polymer grid composite is ideal for waste containment structures, backfill barriers, and silt barriers in construction and mining applications. In waste containment and backfill barriers, the grid composite is used to form a containment structure. It principle function is to contain waste material usually consisting of a liquid with some percentage of solids.