| Acronym | Meaning |
 | DRF | DocumentationRequisitionForm |
| SSA | 1/0 GCOS Program Element Name |
| TLS | Top Left Side |
| HAC | Heading Alignment Circle |
| SSDS | Space Station Data System |
| PHF | Personal Hygiene Facility |
| GAPL | Group Assembly Parts List |
| R | Gas Constant |
| MDCA | Main Distribution Control Assembly |
| BP | Cycle |
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