Clean and sanitise the interior of tanks and hoses using chemicals. Remove and install manhole covers from the top of the tank, and tank fans made of solid or expanded metal. Wash the exterior of tanks using chemical cleaning agents. Sanitise and sterilise fermenting and fortifying tanks and railroad tank cars, using an air hose and soda ash.
Data Source: Unified Global Standards (ISCED, ISCO, O*NET, ESCO)