He did not apparently know the exact nature of the physical tasks the plaintiff must perform in his work and other physical stresses of his job. (bc-injury-law.com)
The Court of Appeal held against him on the grounds that an employer is entitled to believe an employee is up to the normal stresses of a job unless something different is known. (newlawjournal.co.uk)
In addition to the obvious stress of the job, the hours can be long and irregular. (resume-now.com)