106
Reading Comprehension and Discussion Tasks
1. Decide whether the following statements are true or false according to the
text.
1. Conservation involves the care and
preservation of works of art, all of
which are, over a period of time, subject to alteration and deterioration.
2. Changes in the states of materials are largely inevitable and irreversible
but deterioration can be reduced by proper conservation treatment.
3.
Canvas weakens with age, particularly at points of high stress such as the
edges where it is attached to the stretcher, but it is capable of supporting
the ground and paint layers.
4. If active restoration treatment becomes necessary it should only be under-
taken by a skilled and experienced conservator
working in the appropriate
specialized field.
5. The increased transparency of the oil medium, as it ages, may result in
changes made by the artist in the course of painting becoming visible
through the upper paint layers.
6. If fugitive pigments such as some red and yellow
organic lakes have been
used, they tend to fade under the action of light, but they van be restored.
7. Acidity may result from the processing of wood pulp into paper and from
the introduction of alum.
8. A neutral pH of about 7 is harmful for paper.
9. The recommended light level for paper is 70 lux.
10.
Any treatment of fumigation, flattening creases, bleaching papers, mend-
ing tears, or resizing should only be carried out
by an expert, since it in-
volves the use of moisture and toxic chemicals.
2. Discuss the following:
1. Talk about the processes of conservation and restoration.
2. Talk about irreversible changes in paintings.
3. Talk about the causes of deterioration of paper and the ways how to pro-
tect it.
Достарыңызбен бөлісу: 
