Tom and Vera, a newlywed young professional couple, is looking to engage a maid on a full time basis. A close friend of theirs has introduced them to a long established maid centre called Kilina Maid Centre. Having had a telephone conversation with the proprietor, the couple decides to drop into the centre and have settled to engage Mary, a maid registered with the maid centre.

Discuss the type of engagement applicable to the scenario above, as well as the legal obligations placed on the respective parties.