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NOTES ON THE SAFEGUARDING AND CONSERVING CULTURAL MATERIAL IN THE FIELD        26.

tributing in pans, etc.  Don't let these deterrents come into contact with valuable or important objects, except under expert advice.

3. [[underline]] Give indispensable "first aid" treatment [[/underline]] to the material concerned.  [[underline]] When there is doubt as to the necessity or safety of handling anything, don't handle except under the instruction and supervision of an expert. [[/underline]]  Sometimes, however, the danger of leaving alone may seem greater than that of acting.  Among such cases are:
  (i) [[underline]] Buildings and large monuments which threaten to collapse [[/underline]] wholly or in part.
    These are not only a danger to themselves, but may in their fall damage or destroy other things.  Even temporary shoring up is a matter for experts: but in the Engineers or among men who have been miners, there should be those able to do what is necessary.
  (ii) [[underline]] Objects are wet or damp.  [[/underline]]
These should be dried by exposure to the air.
      (a) The handling of wet or damp objects wholly or partly composed of organic materials is particularly dangerous.  If in doubt, leave them alone.  (See also paragraph iv below.)