Abstract: A headset cover includes a cover body including a stretchable body, wherein the stretchable body is configured to reduce an amount of ambient noise when the stretchable body is placed over at least a portion of the headset, wherein the stretchable body comprises an inner surface and an outer surface, wherein the inner surface defines a body cavity; and a lip, wherein the lip defines a cavity opening, wherein the cavity opening provides access to the body cavity, wherein the lip is configured to secure over at least a portion of the headset. The stretchable material is debris impermeable, fluid impermeable, and disposable.

Abstract: A drain plug for selectively draining a source of fluid is described, and which includes first, second and third portions which provide coaxially aligned fluid passageways which extend therethrough, and wherein the second portion is moveable relative to the first and third portions between a first position which substantially occludes, and prevents the passage of fluid through the coaxial aligned fluid passageways, and a second position where fluid is allowed to pass therethrough and may be collected for disposal as required.

Abstract: A drain plug for selectively draining a source of fluid is described, and which includes first, second and third portions which provide coaxially aligned fluid passageways which extend therethrough, and wherein the second portion is moveable relative to the first and third portions between a first position which substantially occludes, and prevents the passage of fluid through the coaxial aligned fluid passageways, and a second position where fluid is allowed to pass therethrough and may be collected for disposal as required.