This document provides guidance for trainers on techniques for training in precursor chemical control. It discusses the systematic approach to training, which involves analyzing training needs, setting objectives, designing training strategies, implementing training, and evaluating results. It emphasizes that training design should match objectives and training methods. The document also covers adult learning principles, developing learning units, preparing lectures, participatory training methods, visual aids, and trainer characteristics. Key aspects of training such as needs analysis, aim/objective setting, content balance, and feedback are discussed in detail.