Is it permissible to take infant formula provided free of charge by an employee of a company without the knowledge of its unknown owner, and what is the ruling on what has already been taken? And is it permissible to take electrical appliances remaining in the husband’s workplace storage if they have become useless there?

It is permissible to accept a gift of milk from an unknown person if its source is not known, and there is no need to inquire about its source. However, if it is strongly presumed that its source is unlawful, then it is not permissible to accept the gift, and one must inquire about its source. As for taking tools without permission, the basic principle is that it is not permissible, and the fact that they are susceptible to damage is not a justification for taking them.