Horizontal milling is a specialized type of milling that involves milling in a horizontal orientation, with the spindle mounted horizontally. This technique is used primarily for milling large and complex parts, and requires specialized equipment and skill. Horizontal milling can produce a wide range of parts with high precision and accuracy, but requires a skilled operator to ensure proper setup, tool selection, and operation.

Metal Lathes refer to machine tools used for shaping and machining metal workpieces by rotating them against cutting tools. This skill involves understanding the operation, setup, and maintenance of lathes to produce precise cylindrical parts and components. Knowledge of Metal Lathes is applied in various manufacturing processes, enabling the creation of intricate designs and specifications through techniques such as turning, threading, and facing. Mastery of this skill contributes to the efficiency and accuracy of metal fabrication in industrial settings.

Numerical Controls refer to the automated systems that manage machine tools through programmed commands, enabling precise control of machining processes. This skill encompasses the understanding of programming languages and control systems that dictate the movement and operation of machinery. Knowledge of Numerical Controls is used to enhance manufacturing efficiency, improve product accuracy, and facilitate complex machining tasks by enabling the automation of repetitive processes.

Speeds and feeds refer to the parameters used to determine the optimal cutting parameters for machining operations such as milling, drilling, and turning. This requires a specialized skill as it involves an understanding of various factors such as the material being machined, the cutting tool's geometry, and the machine's capabilities. Effective use of speeds and feeds can result in improved efficiency, reduced wear and tear on equipment, and better quality parts.

Vertical milling is a machining process that involves the use of a specialized cutting tool called a milling cutter, which spins at high speeds and removes material from a workpiece held in place on a vertical milling machine. The process allows for the creation of complex shapes, slots, and holes with a high degree of accuracy and precision which makes it a specialized skill that requires training and experience to master. Vertical milling is used in a wide range of industries, including aerospace, automotive, and medical manufacturing.