What is a driller? ?

On-site driller is a worker who directly engages in special work such as drilling, sampling and completion by operating various drilling rigs and adopting various drilling techniques and instruments for the purpose of mineral exploration, engineering exploration, engineering construction and sinking.

On-site drillers are divided into foreman, assistant foreman, driller's comprehensive recorder and material clerk according to their positions. The grade line is divided into three grades: junior, middle and senior. The technical requirements for drillers are: reaching the level of workers' technical school graduates. The driller's apprenticeship is two years, including one year's training and one year's probation. Diamond refers to polished diamond, which is a natural mineral and the original stone of diamond. Simply put, diamond is a simple crystal composed of carbon element formed in the deep part of the earth under high pressure and high temperature.