I think these are a bench grinder and a motor, how do I test if they're usable (they're old so worried about power shorts) and if not how do I recycle/trash? :
Gramercy Custom Tuned 8" Baldor Bench Grinders
Buy a Baldor 1408W 14" Bench Grinder | Mile-X Equip
Bench Grinder - Model 1410W; 14 × 3 × 1 1/4 Wheel Size; 5HP, 3PH, 460V Motor ID: PP501410W
8 in. Bench Grinder with LED Light
Bench Seat Grinding Wheel Type 1. Size 10" x 1-1/4" - 36 Grit. Made of Aluminum Oxide. - Shark Industries
Bench Grinder | 8 in. Low Speed Bench Grinder with LED | TDS-200C4HL
Bucktool BUCKTOOL Professional Power Tools 8-Inch Dual Speed Cast Iron Base Bench Grinder TDS-200DS
CRAFTSMAN 6-in Bench Grinder in the Bench Grinders department at Lowes.com
VEVOR Bench Grinder, 8 inch Single Speed Bench Grinder with 3A Brushless Motor 3580 RPM Table Grinder with 36/80-Grit Grinding Wheels for Grinding, Sharpening Application | VEVOR US
Jet 1/2 HP 6 in. Industrial Metalworking Bench Grinder, 115-Volt JBG-6A 577101 - The Home Depot
DEWALT 8 in. 205 mm Bench Grinder DW758 - The Home Depot
Bench Grinder | 8 in. Low Speed Bench Grinder with LED | TDS-200C4HL
VEVOR 6 inch Bench Grinder, 750W 1 HP Motor, Variable-Speed Benchtop Grinder with 3400 RPM and Work Light, Two Types Wheels for Grinding, Sharping and Smoothing | VEVOR US
WEN BG4282 4.8-Amp 8-Inch Single Speed Bench Grinder with LED Work Lights, 14 x 10 x 11.75 inches, Black and Orange - Amazon.com