This text is missing some spaces, please add them: Letusdefinethecosmicmass,m,ofabody,by:
Let us define the cosmic mass, m, of a body, by:

This text is missing some spaces, please add them: Makebuttonholesonrightfrontband.1buttonhole=Ktog3rdand4thstfrommidfrontandmake1YO.
Make buttonholes on right front band. 1 buttonhole = K tog 3rd and 4th st from mid front and make 1 YO.

This text is missing some spaces, please add them: Lightweightfurniturecastorswithapolypropylene(PP)wheelandplainbearingareperfectforstandardapplications.
Light weight furniture castors with a polypropylene (PP) wheel and plain bearing are perfect for standard applications.