Answer: the client is instructed not to drive or operate machinery as this could result in potentially fatal accidents.
Explanation: muscles need to properly contract & relax during such activities and since the drug would cause extensive relaxation, the client should not therefore work while on the medication.
The wire brush used for cleaning the oven may likely to leave the wire particles which may contaminate the pizza. The wire particles will remain undigested in the food and if sharp enough will peirce the organs of the digestive system.