You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Primary closure of incised wounds must be done within: and explain in detail?
WOUNDS CAN BE CLOSED BY 

Primary suture: 

  - Clean wounds
  - Selected contaminated wounds after thorough wound toileting and debridement

Delayed primary suture:

 - Heavily contaminated wounds
 - Wounds in which wound toileting has been delayed for 6-8 hours

Left open to heal by secondary closure