A massage therapist may not be able to penetrate the deep layers of muscle and soft tissue in the first session. Depending on the situation, the therapist may need to modify the massage to keep the client comfortable so they do not subconsciously resist the work.
A CD-ROM /ËsiËËdiËËrÉm/ is a pre-pressed optical compact disc which contains data. The name is an acronym which stands for  Compact Disc Read-Only Memory . Computers can read CD-ROMs, but cannot write to CD-ROMs which are not writable or erasable.
Format of the CD-ROM is the same as for audio CDs: a standard CD is 120 mm (4.75 inches) in diameter and 1.2 mm (0.05 inches) thick and is composed of a polycarbonate plastic substrate (underlayer - this is the main body of the disc), one or more thin reflective metal (usually aluminum) layers, and a lacquer coating.