Reply from Agony Uncle
Unless Z have made copies of the safety manual, kept it for himself, distributed to unauthorised third parties or used it in other projects in his new employment assuming there are no new or undisclosed fact you have nothing to worry about.
In this column I will offer stylish advice to everyday questions on etiquette at work and at home and anything else that may be bothering you.
Huasing Association 1999 - 2013