Каждый работник который занимается

Каждый работник который занимается в зонах производства и зонах контроля качества, должен понимать и строго соблюдать эти процедуры.

Результаты (английский) 1:

Every employee who deals in the areas of production and quality control areas, must understand and strictly observe these procedures.

Результаты (английский) 2:

Each employee who is engaged in the areas of production and quality control areas, must understand and strictly comply with these procedures.

Результаты (английский) 3:

every employee who has been in the areas of production and quality control areas, must understand and strictly adhere to these procedures.