Which of the following standard symbols signifies that a packaged item was produced using hazardous materials industry guidelines？（）

A.Use an approved recycling program either through a vendor or local government agency.
B.Old toner disposal is the responsibility of the manufacturer. Call the appropriate number at the respective company.
C.Toss the units into the trash. Toner cartridges are biodegradable.
D.Clean out the toner cartridges with warm water and place the clean units into the recycling collection.

A.Configure all workstations with higher RPM fans
B.Use CRTs instead of LCD monitors
C.Use NAS to reduce the number of file servers
D.Configure all printers to print on single-side with low resolution

A.Virtualization
B.SMTP servers
C.ThinNet clients
D.Terminal servers