Pronic Electronics
Manufacturers of rocker switch, push switch, toggle switch, slide switch, and inlet socket. UL, CSA,VDE recognized amongst others. Based in China and Taiwan.
http://www.pronic.com.tw/

Top Worx
GO switch manufacturers leverless limit switches, proximity sensors, switches and switchboxes. UL, CSA recognized, amongst others.
http://www.goswitch.com/

Kitchener Gear Ltd.
Manufacturer of precision gears, gear boxes, gear grinding, gear shaving, splines, planetary gear assemblies, spiral and straight bevel miter gears. Emergency breakdown service - printing, mining, brewing, astronomy, a utomation, automotive.
http://www.kitgear.com/

Stanley Switch Gear Products
Manufacturer of Switch, Switches, Switchgears, Switch Gears, Change over Switches, Bus bar Chambers, Switch Fuse, Fuse Board, Distribution Fuse Board, Kit kat Fuses.
http://www.stanleyswitch.com/

Gear Technology magazine
Gear Technology magazine and the geartechnology.com buyers guide. Find articles on gear design, engineering and manufacturing, and locate suppliers of gear machines, gear cutting tools and related services
http://www.geartechnology.com/

Gear Works, Inc.
Precision remanufactured gear machinery, replacement parts, and service. Specializing in Fellows' pre 1970 gear shapers, and Mikron gear hobbers.
http://www.vermontel.net/~gwi/

Determination of the plastic limit and plasticity index for soil
The plastic limit is that moisture content of a soil at which it becomes too dry to be plastic, used together with the liquid limit to determine the plasticity index which when plotted against the liquid limit on the plasticity chart enables the classification of cohesive soils.
http://www.civl.port.ac.uk/projects/geotech/geo5.html

The Gear Industry Home Page
Gear Technology magazine and the geartechnology.com buyers guide. Find articles on gear design, engineering and manufacturing, and locate suppliers of gear machines, gear cutting tools and related services
http://www.geartechnology.com

E-Drive Design Inc.
Designs and builds custom and standard, precision ballscrew linear actuators, low profile machine slides, and limit switch packages for machine builders, re-builders, and retrofitters.
http://www.edrivedesign.com/

Crown Supply
Supplier of electrical switch gear, circuit breakers, fire alarms, wire and cable, and control devices.
http://www.crownonline.com/