Mechanical locks are the backbone of your security system. There are three types of tumbler locks: pin-tumbler, disk-tumbler, and lever-tumbler. Pin-tumbler locks are the most common.
http://www.evergoodlocks.com/mechanical-lock/

Pump is a machine or mechanical equipment which is required to lift liquid from low level to high level or to flow liquid from low pressure area to high pressure area or as a booster in a piping network system. Principally, pump converts mechanical energy of motor into fluid flow energy.
http://www.delinpump.com/pump/

There are many different types of threading inserts like Threading Inserts for Oil and Gas Pipes and Indexable Standard Threading Inserts.
http://www.ctri-eng.com/threading-inserts/

Corrugated plastic sheets has become one of the most sought after products in the industries worldwide. Corrugated plastic sheets also known as Corrugated Plastic Cardboard, Coroplast sheets , Waterproof Cardboard, Corrugated Stratocore sheets.
http://www.corrugatedplasticpr....oduct.com/corrugated

Bottle Cap Machines can be manufactured in several different ways to handle the cap and bottle combination to be used on a packaging line. Of course, almost any capping machine can be built to run production semi-automatically or automatically. But different machines will also be built to handle different types of caps, from screw caps to snap on caps and ROPP caps.
http://www.chinacapmachine.com/bottle-cap-machine/