Use of washing water that meets drinking water specifications and standards.

Use of detergents and disinfectants at specified concentrations according to approved specifications and standards.

Use of plastic or rust-resistant metal containers to store clothes until they are washed.

Familiarity and understanding among workers of the care labels on clothing, indicating temperature, iron ability, and suitability for dry cleaning.

Knowledge of workers on the appropriate methods for washing different types of fabrics.