20ft designindlu yeziqukathi ezitholakalayo, ifanele indawo yokugcina izinto, ihholo lombukiso, indawo yokuhlala, ukuzijabulisa nezinye izindawo.Indlu yeziqukathi ezitholakalayobabe nezinzuzo zokufakwa okulula nokusheshayo, ukunyakaza okulula, izindleko eziphansi, njll., futhi bangaphinda baklame umhlobiso wangaphakathi ngokwezidingo zamakhasimende.