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The product/process distinction is the distinction between the product information and the process information of a consumer good. Product information is information that pertains to a consumer good, namely to its price, quality, and safety (its proximate attributes). Process information is information that pertains to the means by which the consumer good is made i.e. the working conditions under which it comes into being, as well as the treatment of animals involved in its production chain (its peripheral attributes).

A drain cleaner is a chemical-based consumer product that unblocks sewer pipes or helps to prevent the occurrence of clogged drains. The term may also refer to the individual who performs the activity with chemical drain cleaners or devices known as plumber's snake. Drain cleaners can be classified in two categories: either chemical or mechanical.

An oil dispersant is a mixture of emulsifiers and solvents that helps break oil into small droplets following an oil spill. Small droplets are easier to disperse throughout a water volume, and small droplets may be more readily biodegraded by microbes. Dispersant use involves a trade-off between exposing coastal life to surface oil and exposing aquatic life to dispersed oil.