Add spaces: industrialfixedcastorfrompressedsteel,platefitting,fullynylon(PA6)wheel,rollerbearing,Wheel-150mm,300KG

Answer: industrial fixed castor from pressed steel, plate fitting, fully nylon (PA6) wheel, roller bearing, Wheel- 150mm, 300KG

Add spaces: Pyramidstimelastedfor1000yearsbetween2640-1630BC,andinthattimemanagedtobuildthemmorethan80pyramids.

Answer: Pyramids time lasted for 1000 years between 2640-1630 BC, and in that time managed to build them more than 80 pyramids.

Add spaces: Knittedorcrochetedfabrics,ofawidthof<=30cm,containing>=5%byweightelastomericyarnandrubberthreadorrubberthreadonly

Answer:
Knitted or crocheted fabrics, of a width of <= 30 cm, containing >= 5% by weight elastomeric yarn and rubber thread or rubber thread only