Q: You are given a sentence in Spanish. Your job is to translate the Spanish sentence into English.
Todo puede construirse con desechos, y el procesamiento clave solo requiere agua y jabón.
A:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
The equipment you need can be built from garbage, and the key processing step only requires soap and water.