Question

Difference between internal and external causes of deterioration

Answer 1

Causes of deterioration may be external or internal. External causes [2] are physical, chemical, biological, improper storage , unauthorized exposure, risky handling, theft, natural calamities. Internal causes are : poor quality of paper or materials used , the chemicals used for printing and binding.

Answer 2

Answer:

Causes of deterioration may be external or internal. External causes [2] are physical, chemical, biological, improper storage , unauthorized exposure, risky handling, theft, natural calamities. Internal causes are : poor quality of paper or materials used , the chemicals used for printing and binding.