Trades such as carpentry, bricklaying, and metalwork were taught. The school offered instruction in carpentry, bricklaying, printing and other trades. He also engaged in agricultural pursuits, and learned the trades of bricklaying and plastering. CEBs are assembled onto walls using standard bricklaying and masonry techniques. Some of the tasks inmates participated in included bricklaying, plumbing, roofing, electrical work, and painting. Ajahn Brahm learnt plumbing and bricklaying and built many of the current buildings himself. Bricks and Mortar provides the homeless with training and experience of bricklaying. It emphasised technical subjects like bricklaying, shoemaking and metal work, and modern languages. They began a bricklaying and patio business called European Brick Works in 1969. Work on Hadrian X commercial bricklaying robot, began in March 2015. The Philadelphia-based Kelly also was a multimillionaire in the bricklaying and construction industry. For example, the former British Prime Minister Winston Churchill did bricklaying as a hobby. In 1968, Schwarzenegger and fellow bodybuilder Franco Columbu started a bricklaying business. Frank Gilbreth studied and improved working processes in many different industries, from bricklaying to surgery. The red and gray exterior is inspired by Newark's bricklaying and railroad heritage.