Joel Bamford, executive director for mergers at the CMA, wrote that measures put forward by the companies represented "as comprehensive a solution as is reasonable and practicable".

He said the Education Department should issue new Title IX rules “as soon as practicable.”

The law requires protections such as providing break areas with shade and “pure, suitably cool” water as “close as practicable” to workers when temperatures exceed 80 degrees.

“It shall be the duty of every employer to ensure, so far as is reasonably practicable, the health, safety and welfare at work of all his employees.”

There has also been work to increase the use of sustainable aviation fuel for royal flights where practicable.