主要負責 - (a)一般體力勞動工作，包括搬移辦公室傢具和器材，起卸物料、文具和印刷品，以及運送實驗室氣瓶及溶劑； (b)派送工作，包括在戶內/外收集和派遞文件、信件及其他物件； (c)一般行政支援工作，包括為辦公室鎖/開門、看守接待處、接待訪客、在樣本/證物交收處交收樣本或證物樣辦、接聽一般電話及訪客查詢、影印和分類/釘裝文件，以及協助為會議及活動佈置場地； (d)提供茶水服務和負責一般清潔工作；以及 (e)執行由上司分配的一般辦公室工作。 [註：二級工人須接受部門內部的職位調派安排，並可能須要輪班工作及/或逾時工作。]

Mainly deployed on - (a) general manual duties, such as moving office furniture/equipment, loading and unloading of stores, stationery and printed material, transporting gas cylinders and solvents, etc; (b) messengerial duties including indoor and outdoor collection and delivery of documents, mails and other articles; (c) general administrative support duties, such as opening and locking exits, manning reception counter, receiving visitors, receiving samples at the samples/exhibits counters, answering telephone calls and simple enquiries, photocopying and sorting / binding of papers and documents, preparing venues for meetings and activities; (d) pantry service including serving tea for meetings and minor cleansing work; and (e) any other general office duties assigned by supervisors. (Note: A Workman II may be subject to cross-divisional postings in the Government Laboratory and is required to work irregular hours and overtime.)