Georgian houses in Bedford Square, London built from London stock bricks showing discolouration due to atmospheric pollution ]]
22.
Discolouration of the pith and xylem occurs in the roots and can be seen when they are cut longitudinally.
23.
Their deep reddish-brown colour changes from the centre of the fruits towards the perianth into a light yellow discolouration.
24.
The processed pictured showed signs of discolouration, which Constable insisted were proof of amoeba-like animals inhabiting the sky.
25.
More recently, the building and its materials have started showing signs of damage and discolouration due to the air pollution.
26.
:There are a variety of plant diseases that can cause the inside of bananas to take on a red discolouration.
27.
In fact, the use of water below 10 �C for blueing sections may even produce pink artifact discolourations in the tissue.
28.
Karason died on September 23, 2013 after suffering a heart attack and stroke, which were unrelated to his skin discolouration.
29.
Their strength and durability is not as high as porcelain or metal restorations and they are more prone to wear and discolouration.
30.
Although this material allows various methods of sterilising and disinfecting to be carried out, repeated sterilisation can cause discolouration and brittleness.
