企业通过先进技术的采用，提高企业经济效益的功能是技术的（）。
A.科学功能
B.生产功能
C.经济功能
D.管理功能
参考答案：C
In the context of employment law:
(b) explain the tests that have been developed by the courts to determine whether a contract of service has come into existence. (6 marks)
锅炉本体
