claim: The Romani people have moved from Brazil to other countries in South America.
evidence: A low-flush toilet -LRB- or low-flow toilet or high-efficiency toilet -RRB- is a flush toilet that uses significantly less water than a full-flush toilet .. flush toilet. flush toilet. Low-flush toilets use 4.8 l or less per flush , as opposed to 6 l or more .. They came into use in the United States in the 1990s , in response to water conservation concerns .. water conservation. water conservation. Low-flush toilets include single-flush models and dual-flush toilets , which typically use 1.6 USgpf for the full flush and 1.28 US for a reduced flush .. dual-flush toilets. Dual flush toilet