Decoration (noun). specifically, any mark of honor to be worn upon the person, as a medal, cross, or ribbon of an order of knighthood, bestowed for services in war, great achievements in literature, art, etc. Origin: [LL. decoratio: cf.
A P-N junction (or N-P junction) is formed by creating two substrate materials of P type and N type on a semiconductor. P type means it is doped with free holes (electron depletion) and the N type is doped with electrons. Of course by physics, the free holes and free electrons would like to neutralize each other.
The Business Reply Plus envelope type is the most popular pre-paid variant as it will give your company an extra postage cost discount (currently 6p OFF per item) over the 'Business Reply Standard' envelope type but they must be pre-printed with the 'Plus' artwork and indicia barcode.