1.   And long before you enter the plant, your nose tells you what is in the dozens of pots the men are slowly stirring with long wooden paddles.

2.   The most important thing is to remove cat droppings, since cats go where their noses tell them cats have gone before.

3.   The most important thing is to remove the main sources of litter-box odor, since cats go where their noses tell them cats have gone before.

4.   Your nose tells.