Final answer:
The articles that would usually be put in water until evening if they became unclean are clay pots, cloth, and hides, while wood does not require such treatment.
Step-by-step explanation:
In ancient times, when various articles became unclean, they were typically put in water until evening to cleanse them. The question asks which of the following articles would not be put in water until evening if they became unclean: clay pots, wood, cloth, or hides.
Based on the provided information, all the articles mentioned would typically be put in water until evening if they became unclean, except for wood. Clay pots, cloth, and hides were commonly cleaned by soaking them in water to remove any impurities or dirt. However, wood does not necessitate soaking in water for purification, as it is less likely to absorb impurities like the other materials.