The apparent speed of a connection between a browser at a user station and a proxy or gateway on a network such as the Internet is increased by providing a local proxy at the user station which interacts with a remote proxy. When a user wishes to complete a transaction, an image is projected onto the user’s face. The operating system monitors the memory and determines a memory \u201cpressure\u201d related to the amount of demand for the memory. The first substrate and the second substrate are brought into contact and form bonded substrates, with the top surface of the first substrate facing the top surface of the second substrate. The at least one thermal transfer device may be a heat pipe. Internal constraints limit the axial and lateral motion of the workholder.