Glossery

Term	Main definition
TWA	Time Weighted Average: The average concentration over a period of usually 8 hours to which workers can be exposed without known negative health effects.
Training	To offer training courses about all aspects and procedures of gas detection.
Toxic	Characteristic of a material that causes injury, harm and ultimately death, when contacted, inhaled, or ingested.

7Solutions has its own service and maintenance department where we can service any gas detection instrument, no matter what brand or age.