Basically phase is an angle of line joining the origin and the any point on the wave with $x$ axis of our reference frame and the word phase is defined for the single wave function. But the phase difference is defined for two waves.
To become a Certified Construction Manager (CCM), you must have a requisite amount of experience and/or education. ONE of the following: An undergraduate (4-year BA/BS level) or graduate qualifying degree. A 2-year undergraduate qualifying degree (AA/AS level) AND 4 years experience in general design/construction.
If you major in construction management, youâll learn all you need to fill their shoes. Construction management students learn the skills needed to manage, coordinate, and supervise construction projects from start to finish, including scheduling, budgeting, and managing materials and people.