significant increase in the number of interpreter days, words to be tr~slated, revised and typed, against the projected work-load. 29.36 Decreases under temporary posts ($48,600) and common staff costs· ($19,100) are due to a higher actual than the standard vacancy rate. Contractual services (Increase: $313,200) 29.37 The increase under this heading is mainly attributable to the significant increase in work-load as indicated in the table under paragraph 29.31 above, and includes, inter alia, the cost of external translation of the Official Records of the United Nations Conference on Contracts for the International Sale of Goods into Russian, Chinese and Arabic. Joint activities (Increase: $647,800) 29.38 The increase under this heading relates to the increased reproduction requirements in respect of units located at Vienna for which the services are provided by IAEA to the United Nations. In terms of work-load this increase is by page impressions as indicated in the table in paragraph 29.31 above. ; ... ....... Table 29.8 Regular budget• distribution of revised estimates by programme (Thousands of US dollars) Estimated additional requirements D. Library Services, I Revised I I I I Headquarters I appropria- I I I Decisions I I tions I I Rates of I of policy- I Redeployment and Programmes I 1982-1983 I Inflation I exchange !making organs! other chanqes Executive direction and management Library and documentation services Total D. Library Services, Headquarters Programmes Executive direction and manaqement Library and documentation services Total 585.7 (3.0) (121. 3) 10 417.8 20.3 186.9 11 003.5 17.3 65.6 Table 29.9 Regular budget: distribution of estimated additional requirements by programme and by main object of expenditure Salaries and common staff costs (121. 0) 31.6 (89.4) Travel (3. 3} 3.3 (Thousands of US dollars) Supplies, materials, Other I General I furniture contractual I operating I and Printing I services I expenses I equipment 70.2 102.1 
**Analysis**
The text appears to be related to the budget and financial management of an international organization, likely the United Nations. The categories mentioned, such as "Library Services", "Joint activities", and "Contractual services", suggest a focus on administrative and operational activities. The text also mentions specific projects and services, such as translation and documentation, which are likely related to the organization's core functions. Given the scope and nature of the text, it is likely that the category is related to administrative or operational activities, rather than a specific sector or industry.

**Category**
Administration, International Relations