Lifting Device – A mechanical or electro-mechanical structure that is capable of raising and lowering a load and may be capable of moving a load in one or more horizontal directionsLifting Equipment – lifting devices, lifting fixtures and lifting accessories.Lifting feature – Aspects of a module’s design such as eyebolts, lifting eyes, hoist rings, holes, slots, etc., that facilitate lifting by providing a connection point for lifting accessories but are included as part of the module standard design (i.e. are integral to the design), rather than being applied to the module for the purpose of lifting at the time of the lifting task.Lifting fixture – A structural means to support or provide attachment points to a load. It may be used in conjunction with lifting accessories, which can attach the lifting fixture to the lifting device. Lifting fixtures differ from lifting accessories in that the former are designed for a specific load. Lifting fixtures differ from lifting devices in that the former do not have a means of raising or lowering a load.Lithium Battery – The term “lithium battery” refers to a family of batteries with different chemistries, comprising many types of cathodes and electrolytes.Material – Refers to any of the following: substance, chemical compound, polymer and element.Mercury Switch or Relay - Means a mercury-added product or device that opens or closes an electrical circuit or gas valve.