... dryness/wetness of steam is adjustable 3,cleaning hotel, restaurant, hospital etc Steam cleaning machine It can wash hotel, restaurant, hospital, ... Reliability and Performance Features of vacuum & steam cleaner,steam washing machine,dry & wet steam vacuum cleaner:(1)Non boiler ... special features of NMB-4 vacuum & steam cleaner,steam washing machine,dry & wet steam vacuum cleanerNMB -4 is 220V- ...