A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Ladder: BS 5395:1985 Part 3
Ladder: BS EN ISO 14122:2001+A1:2010 Part 1
Ladder (Storage tanks)
Lamination
Layers of Protection Analysis 
Leak Test
Leakage Current
Legacy system
Level of Confidence (ASTM E456)
Lifting Appliances
Lifting Gear
Lifting Point
Linearity (IEC 60050-311)
Lined Plug Valve
Lining
Liquefaction
Liquid-Filled Seal
Liquified Petroleum Gas
Live Part
Locking Device – Examples: Locking Pin, Travel Stop
Logic Solver
Lower Control Limit (ASTM E456)
Low-frequency Ultrasonic Testing
Lower Flammable Limit (LFL)
Lower Warning Limit
Lubricated Plug Valve