another word for life preserver

...Preservation Algae for Water Treatment to Extend Shelf Life of Paints *, *::before, *::after {box-sizing: border-box;}* {margin: 0;}html, body {height: 100%;}body {line-height: 1.5;-webkit-font-smoothing: antialiased;}p[style^="text-align"] img{display:inline-block}input, button, textarea, select {font: inherit;}p, h1, h2, h3, h4, h5, h6 {overflow-wrap: break-word...