Inkomba ye-MOS: Izivimbo zerabha yemvelo zamasayizi ahlukene zokuvala ama-flask, amashubhu okuhlola nezinye izinto zengilazi. Zitholakala ziqinile noma zinembobo eyodwa noma ezimbili zokufaka amashubhu engilazi, ama-thermometer noma amashubhu okukhipha igesi. Ziyaguqguquka futhi azilimazwa amakhemikhali.