Critical steps for installing HVAC, fire-fighting systems, and plumbing in large-scale buildings.

It contains professional "Method Statements" and safety plans that reveal the hidden complexity behind the buildings we live in. 3. Adaptive Designs in Clinical Trials (The "RAR" Guide)

You can read the full methodology on the Journal of Clinical Epidemiology .

How researchers change the probability of patients receiving a certain drug during the trial based on how well the drug is performing.

Depending on your interests, here are three "interesting guides" that frequently appear in technical and academic circles under similar archive tags: 1. The Computer Hacking Forensic Investigator (CHFI) Guide

For the builders and DIY engineers, archives labeled "Design.rar" or "Installation.rar" often contain the master checklists.