Julian is employed by Create Limited (Create) for a fixed period of two years. After eighteen months, his employer is about to fire him as he is consistently arriving at work late. James is also an employee of Create but is on an indefinite contract and wishes to terminate his employment as he wishes to relocate overseas.Required:

(b) Advise James of the procedure he must follow in order to resign from his post with Create Limited. (3 marks)

属于控制类阀门的有（）

A.闸阀

B.截止阀

C.球阀

D.隔膜阀