Add punctuation: C56L21521 Interior product in bodymaterial Aluminium for Pendant mounting in Grey RAL9006 colour IP20 lightsource LED lumen out 10059lm ballast type DALI digital addressable lighting interface light source supplied type CRI80 4000K optic type MP Micro Prismatic with Acrylic difuser material gives an updown lightdistribution 6040 C56P15006040GRLED10000DALI840SEPPREC2MP
A: C56L21521 Interior product, in bodymaterial Aluminium, for Pendant mounting, in Grey (RAL9006) colour, IP20, lightsource LED, lumen out 10059lm, ballast type DALI = digital addressable lighting interface , light source supplied type CRI>80, 4000K, optic type MP = Micro Prismatic, with Acrylic difuser material, gives an up/down lightdistribution 60/40. C56-P150060/40GRLED10000DALI840SEPPREC2MP

Add punctuation: In 1847 appeared a paper by Mr D Milne in which my fathers Glen Roy work is criticised and which is referred to in the following characteristic extract from a letter to Sir J Hooker I have been bad enough for these few last days having had to think and write too much about Glen Roy Mr Milne having attacked my theory which made me horribly sick I have not been able to find any published reply to Mr Milne so that I imagine the writing mentioned was confined to letters
A: [In 1847 appeared a paper by Mr. D. Milne,* in which my father's Glen Roy work is criticised, and which is referred to in the following characteristic extract from a letter to Sir J. Hooker: "I have been bad enough for these few last days, having had to think and write too much about Glen Roy. Mr. Milne having attacked my theory, which made me horribly sick." I have not been able to find any published reply to Mr. Milne, so that I imagine the "writing" mentioned was confined to letters.

Add punctuation: A leading factor is the voluntary nature of the existing efforts
A:
A leading factor is the voluntary nature of the existing efforts.