The 2-Minute Rule for cleaning validation steps
Soon after your very first carpet cleaning, you’ll discover an immediate variance in how your property appears and feels. The air will be fresher, stains are going to be absent or dramatically decreased, and your carpet will experience softer underfoot.缺点:强度低,但可以通过冷加工硬化来加强强度。退火时容易产生粗大晶