3.1.2. Mining and Quarrying

Table 4 presents the only two studies related to this category.


**Table 4.** Mining and quarrying.

In this field of knowledge, there are only two studies available in which the RULA method was applied—one for the ergonomic assessment of mine workers and the other, together with the REBA and OCRA (Occupational Repetitive Action) methods, in stone-carving workers. Both studies concluded that very high risks existed that required immediate changes [52,53].
