Prompt: When applying risk management strategies to museum collections, risk is broken down according to ten agents of deterioration that pose threats to collections. Nine of these risks are physical (physical forces, fire, water, criminals, pests, pollutants, light, incorrect temperature, and incorrect humidity) and the tenth is custodial neglect, for example where a collection item may be disassociated from provenance. moths bookworm, dust decomposition, HD studio lighting