- kinematic analysis
- kinematic criterion
- kinetostatics
- king closer
- king post
- kinomatic change
- kitchen block
- kitchen cabinet
- kitchen sink
- kite winder
- knag
- knap
- kneader
- knee brace
- knee piece
- kneed
- kremlin
- L-column
- label plate
- labeled frame
- labeled window
- labor market
- laboratory sink
- laboratory testing
- labour consuming
- labour cooperation
- labour discipline
- labour dispute
- labour experience
- labour hiring
- labour input
- labour inputs
- labour intensity
- labour management
- labour migration
- labour organization
- labour plan
- labour protection
- labour reserve
- labourer
- lacet road
- lacing
- lacquered
- lacquering
- lacustrine clay
- ladder
- ladder scaffold
- ladies toilet
- lading
- ladle
- lag
- lag bolt
- lag bridge
- lag screw
- lagged
- lagging
- lagging deformation
- lagoon
- lagoon sand
- Lagranglan density
- kneel
- knife
- knitting needle
- knob
- knob mounting
- knobbling
- knocker
- knotty
- knotty growth
- know thoroughly
- knowledge
- knowledgeable
- knuckle bend
- knurl
- knurled
- knurled screw
- kolinsky brush
- kung-fu
- L bar
- l square
- L-beam
- labeled door
- laboratory analysis
- laboratory equipment
- lac
- laced beam
- lacing course
- lacquer
- lacquer brush
- lacquered painting
- lactic
- lacustrine chalk
- lacustrine limestone
- ladder cleats
- ladder scaffolding
- laitance
- laitance layer
- lake asphalt
- lake dwelling
- lake marl