What is the fine-grained topic of the following text: All basic woodworking techniques are covered, plus Geoffrey also shows how best to prepare materials, including checking for disease, drying and stripping bark, and gives a detailed guide on your essential tool kit - what to have, how to handle your tools safely, and how to maintain everything to the highest standard -meaning anyone can pick up Slingshots & Key Hooks and dive straight into the world of Geoffrey's designs. Only return the topic.
Woodworking techniques and tool maintenance guide in Geoffrey's designs.