Abstract: A carrier comprising core particles with a coating thereover comprised of at least one polymer, a conductive colorant, and a stabilizer compound.

Abstract: A composition comprised of a core and thereover a mixture of a first and second polymer, and wherein said first polymer contains a conductive component, and said second polymer contains copper iodide.

Abstract: A strong lightweight hanging scaffold for four or more workmen with heavy materials has a wide range of adjustability adapting it for a variety of uses on many types of one and two story buildings including buildings with gable ends. The scaffold features strong top and bottom truss arms or beams which are vertically adjustable on end vertical ladder-type frames. A sturdy walkway of box form has a non-slip metal walking surface and may be employed in both level and inclined positions while resting on the bottom truss arms. Top spiked engaging bars of the upper truss arms have swiveled connections therewith so as to be compatible with various roof contours. The lower truss arms have extension bars with feet adapted for stable engagement with building walls.