Which of the following is a common measurement technique used in trades?

Digital measuring devices are commonly used in various trades due to their accuracy and ease of use. These tools, which may include digital calipers, laser distance meters, and digital levels, provide precise measurements that reduce the margin for error. This precision is especially crucial in trades where exact dimensions are necessary to ensure proper fitting and alignment of materials and components. The ability to quickly and accurately obtain measurements can significantly enhance efficiency and productivity on the job site.

While other choices may have their applications, they do not match the precision and reliability facilitated by digital measuring devices. Color coding materials can help with organization but does not serve as a measurement technique. Guessing dimensions is inherently inaccurate and can lead to costly mistakes, while shortening measurement techniques is vague and does not establish a standard practice. Thus, the use of digital measuring devices stands out as the most effective and recognized measurement technique in trades.