Performs work in more than one of the maintenance trades: carpentry, plumbing, painting, machine and equipment repair, electrical and HVAC, sheet metal fabrication, and welding, for the construction, repair, and/or alteration of structures such as walls, roofs or office fixtures. Code § 2.2-4312 (2000), Boston Scientific is providing notification that the unlawful manufacture, sale, distribution, dispensation, possession, or use of a controlled substance or marijuana is prohibited in the workplace and that violations will result in disciplinary action up to and including termination.