Global Folding Blade Agitator Market By Type (Top-entry Agitator , Side-entry Agitator , and Bottom-entry Agitator), By Application (Chemical , Water & Wastewater , Minerals Processing , Food and Beverage , Pharm/BioPharm , and Energy & Environment), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029