11.   Working on a farm requires a lot of physical strength.

12.   The investigation required a lot of footwork.

13.   The work is difficult and requires a lot of skill.

14.   This is good timing, because milk production is an energy consuming process-it requires a lot of food.

15.   Finding your feet can be thirsty work and after all, being the centre of attention so early in life requires a lot of bottle.

16.   Stunts like this require a lot of skill.

17.   All those guinea pigs require lots of wood-chip bedding, which leaves the Buecker home smelling like a cedar chest.

18.   Although the recipe requires a lot of sugar, most of it is drained off with the apple juices.

19.   And it also will require a lot of international support.

20.   And one of the things you usually lose are the large vertebrates that require a lot of space.