Abstract: Various embodiments provide an improved conveyor belt comprising: a visible surface having a primary axis oriented in a machine direction; a plurality of first stripes having a first visible appearance, each of the plurality of first stripes at least in part defining the visible surface and being oriented perpendicular to the primary axis; and a plurality of second stripes having a second visible appearance, each of the plurality of second stripes at least in part defining the visible surface and being oriented perpendicular to the primary axis, wherein: the second visible appearance provides a contrasting appearance relative to the first visible appearance; and each of the plurality of second stripes are located intermediate two of the plurality of first stripes such that the plurality of first and second stripes collectively define an alternating contrasting pattern on the visible surface of the improved conveyor belt.

Abstract: Various embodiments provide an improved conveyor belt comprising: a visible surface having a primary axis oriented in a machine direction; a plurality of first stripes having a first visible appearance, each of the plurality of first stripes at least in part defining the visible surface and being oriented perpendicular to the primary axis; and a plurality of second stripes having a second visible appearance, each of the plurality of second stripes at least in part defining the visible surface and being oriented perpendicular to the primary axis, wherein: the second visible appearance provides a contrasting appearance relative to the first visible appearance; and each of the plurality of second stripes are located intermediate two of the plurality of first stripes such that the plurality of first and second stripes collectively define an alternating contrasting pattern on the visible surface of the improved conveyor belt.

Abstract: Various embodiments provide an improved conveyor belt comprising: a visible surface having a primary axis oriented in a machine direction; a plurality of first stripes having a first visible appearance, each of the plurality of first stripes at least in part defining the visible surface and being oriented perpendicular to the primary axis; and a plurality of second stripes having a second visible appearance, each of the plurality of second stripes at least in part defining the visible surface and being oriented perpendicular to the primary axis, wherein: the second visible appearance provides a contrasting appearance relative to the first visible appearance; and each of the plurality of second stripes are located intermediate two of the plurality of first stripes such that the plurality of first and second stripes collectively define an alternating contrasting pattern on the visible surface of the improved conveyor belt.

Abstract: Various embodiments provide an improved conveyor belt comprising: a visible surface having a primary axis oriented in a machine direction; a plurality of first stripes having a first visible appearance, each of the plurality of first stripes at least in part defining the visible surface and being oriented perpendicular to the primary axis; and a plurality of second stripes having a second visible appearance, each of the plurality of second stripes at least in part defining the visible surface and being oriented perpendicular to the primary axis, wherein: the second visible appearance provides a contrasting appearance relative to the first visible appearance; and each of the plurality of second stripes are located intermediate two of the plurality of first stripes such that the plurality of first and second stripes collectively define an alternating contrasting pattern on the visible surface of the improved conveyor belt.

Abstract: Various embodiments provide an improved conveyor belt comprising: a visible surface having a primary axis oriented in a machine direction; a plurality of first stripes having a first visible appearance, each of the plurality of first stripes at least in part defining the visible surface and being oriented perpendicular to the primary axis; and a plurality of second stripes having a second visible appearance, each of the plurality of second stripes at least in part defining the visible surface and being oriented perpendicular to the primary axis, wherein: the second visible appearance provides a contrasting appearance relative to the first visible appearance; and each of the plurality of second stripes are located intermediate two of the plurality of first stripes such that the plurality of first and second stripes collectively define an alternating contrasting pattern on the visible surface of the improved conveyor belt.

Abstract: Various embodiments provide an improved conveyor belt comprising: a visible surface having a primary axis oriented in a machine direction; a plurality of first stripes having a first visible appearance, each of the plurality of first stripes at least in part defining the visible surface and being oriented perpendicular to the primary axis; and a plurality of second stripes having a second visible appearance, each of the plurality of second stripes at least in part defining the visible surface and being oriented perpendicular to the primary axis, wherein: the second visible appearance provides a contrasting appearance relative to the first visible appearance; and each of the plurality of second stripes are located intermediate two of the plurality of first stripes such that the plurality of first and second stripes collectively define an alternating contrasting pattern on the visible surface of the improved conveyor belt.

Abstract: Various embodiments provide an improved conveyor belt comprising: a visible surface having a primary axis oriented in a machine direction; a plurality of first stripes having a first visible appearance, each of the plurality of first stripes at least in part defining the visible surface and being oriented perpendicular to the primary axis; and a plurality of second stripes having a second visible appearance, each of the plurality of second stripes at least in part defining the visible surface and being oriented perpendicular to the primary axis, wherein: the second visible appearance provides a contrasting appearance relative to the first visible appearance; and each of the plurality of second stripes are located intermediate two of the plurality of first stripes such that the plurality of first and second stripes collectively define an alternating contrasting pattern on the visible surface of the improved conveyor belt.

Abstract: Method for preparation of pure hepatitis B surface antigen HBsAg from human plasma, wherein the initial plasma after being treated to remove lipides and partially remove human plasma proteins, is submitted to digestion with pepsin in amount of 0.01-0.50 mg/mg of protein to selectively decompose the plasma proteins while the antigen remains intact, filtered in a phosphate buffered medium, up to a pH value of 7.1-7.3, through molecular filters passing molecules of up to 100,000 Daltons, the infectiosity being subsequently de-activated by means of formaldehyde, in proportion of 1:2000 by volume, for 96 hours.