keep half an eye on something

Software approach to hazard detection using on-line analysis of safety constraints
Why NHS must keep an eye on the other half.
Keep an eye on your pot: your solder pot may be trying to tell you something.(Pb-Free Lessons Learned)
Digital Lobby Sign: Something to Keep an Eye On
Keep an Eye on
Speculating to Keep a Roof over Our Heads; PROPERTY: Keep an Eye on the Commercial Sector Which Is Looking to Take Advantage of the ...
Racing: Keep an Eye on Hawk. He Will Be a Flyer
Keep an Eye on Nuts and Bolts as Well as Your Shares; WIPEOUT: Enron Should Be a Warning to Small Investors to Visit Their Companies...
To Deter Burglary, Keep an Eye on That Flowering Verbena ; A Beautiful Garden May Be the Homeowner's Dream, but Some Take an Illegal...
Keep an Eye on the Girl