Which color is used for identifying drinking water, recycled water, and hydraulic power, but excludes sewage and dangerously polluted water
green
Which color represents gases like fuel, liquefied gas under pressure, and medical gases, but excludes air and highly acidic or alkaline gases
yellow
true or false :Green signs are displayed to clearly show the location of emergency equipment
true
define housekeeping
Housekeeping is the process of keeping the workplace/laboratory clean and tidy