5d) Party in government's working hard (9) L????????
10a) Book about New Zealand area earns windfall (7) ????N??
12a) Certain people tucked into food in yard, say (11) ??A?????E??
14d) Piece of equipment in a quiet place in ground (9) ??????N??
16a) Pet subject for experiment (6,3) G?I??? ???
All help greatly appreciated