Scrap EVA film
Auto, tube
Engineering spare parts like shafts, gear shafts and toothed gears
Pigments
Resources
Pigment blues
Synthetic organic dyes
Level and pressure measuring instruments
Pigments
Chemicals
Metal ore
Pigments
Tools
Meteorite and black kind of stone look like serendibite
Automobile Tools
Pcd drawing dies
Pigments
Pigments
Tools like cutting, drilling tools, anchors