Findings:

• trip report: "efficient killing machines"
• A gun is a machine whose sole purpose is to make quick killing easier
• The Killing Machine
• Pareto efficient
• efficient
• Space heaters are 100% efficient
• Soy isolate reconsidered as an efficient source of protein
• efficient motion
• efficient market hypothesis
• efficient market hypothesis rebuttal
• The Efficient Society
• minimum efficient scale
• Lightweight and Efficient Application Protocol
• Efficient Short Remote Operations
• Efficient Mail Submission and Delivery
• efficient cause
• Sex with my accountant was always really, really efficient
• On the Tendency of Mass Public Murderers to use Firearms Instead of More Efficient Methods
• killing
• mercy killing
• Creative ways of killing people
• The Killing Fields
• Killing time
• cathartic fantasy killing
• killing worms
• Not killing worms
• Killing Little Grandpa
• Killing Heidi
• Killing an Arab
• Herd Killing
• Penalty killing
• rules of killing (human edition)
• Home taping is killing music
• Batman: The Killing Joke
• Killing Mr. Griffin
• Make a living, not a killing
• team killing
• Killing one's family and then killing oneself
• Killing A Vampire: A Cross-Cultural Survey of Methodology
• The Killing of a Chicken
• Killing Me Softly
• The Killing Dance
• On Killing a Tax Collector
• On Killing
• Killing the Buddha
• Killing vector
• If you insist on killing defenseless animals, do it properly
• I almost killed Tony Blackburn
• Grief, killing grief, have not my torments been
• the killing floor II (superdocnolinks)
• Fine Killing Liberty
• Homicide: A Year on the Killing Streets
• honor killing
• Forgive Your Children For Killing Your Overstuffed Armchair
• You can't make an omelet without killing a few people
• Killing Entropy
• archy speaks out against killing the poor
• killing spree
• Killing the beauty in a child through socialization
• Killing a Vampire
• The Killing
• Here comes another resilient thing: Let's do the killing
• A Whale for the Killing
• Killing Our Own
• Aiee, killing interrupt handler!
• Caring and Killing
• Killing of a Flashboy
• Rio Negro massacres: the killings
• Killing Monsters
• Killing Zoe
• Killing wasps
• There are causes worth dying for, but none worth killing for
• Killing fashions
• The Killing Jar
• A genocide begins with the killing of one man
• A Small Killing
• Killing the carp
• targeted killing
• Stupid movie reviews are killing people
• Killing baby bunnies with breast milk
• Under a Killing Moon
• Killing the angel in the house
• Human Killing
• Who is Killing The Great Chefs of Europe?
• My dogs are killing me
• This sea is killing me
• Killing Your Own Characters
• The Cult of the Amateur: How Today's Internet is Killing Our Culture
• The Killing of a Chinese Bookie
• Killing Sardines & Snails
• but the worm ended up killing them too
• Maybe his name is a killing word
• thoughts of killing
• The Industrial Killing of the Old
• Killing in the Name
• The Killing Of Sister George
• Stop killing me now
• He never killed a man that did not need killing.
• Killing a lobster
• His mother is slowly killing him.
• killing time now illegal in Mississippi
• killing two birds in a poem
• Please Stop Asamothing. You Are Killing Something Beautiful.
• killing on a Sunday
• Sorry to eat and run, but I've got to go stop Lincoln from killing Hitler in his crib
• A killing frost came
• A Short Film About Killing
• Killing Joke
• Killing Hope
• Killing and Dying
• Millennials are killing
• I remember the minimizer's playbook before it was killing grandmas
• Killing Commendatore
• the good days are killing me too
• We pander to each other because we love each other so much and we'd do anything to keep each other and it's made us sensitive and it's fucking killing us all.
• Killing Cousins
• Killing Thyme
• stack machine
• Turing Machine
• Virtual Machine
• machine
• Ghost in the Machine
• 25 cent plastic toy vending machines
• machine language
• Pretty Hate Machine
• Z Machine
• video poker machines
• Rage Against The Machine
• Soft Machine
• The Preserving Machine
• drum machine
• Automatic teller machine
• time machine
• ghosts in the machine
• Goat and Adding Machine Ritual
• Trojan Room coffee machine
• washing machine
• soda machine
• Vending machines that dispense sushi
• Perpetual Motion Machine
• Coke machine telemetry
• machine code
• hyperspatial machine elves
• answering machine
• gumball machine toys
• machine pistol
• Vending machine
• Fantastic Plastic Machine
• Mystery Machine
• The Incredible Machine
• The Incredible Machine v3.0
• Rube Goldberg machine
• Machine Head
• Bone Machine
• machine translation
• The Machine That Goes 'Ping'
• Burring machine
• Gramme machine
• Wayback Machine
• Metal Machine Music
• war machine
• EDB food vending machine

If you Log in you could create a "efficient KILLING MACHINE" node. If you don't already have an account, you can register here.