Please capitalize where necessary: the clothing takes the form of a dress, which was identical for boys and girls until the age of six.
A: The clothing takes the form of a dress, which was identical for boys and girls until the age of six.

Q: details about an individual for mariane nielsen

A: Details about an individual for Mariane Nielsen

Q: 590800 textile wicks, woven, plaited or knitted, for lamps, stoves, lighters, candles or the like;
A: 590800 Textile wicks, woven, plaited or knitted, for lamps, stoves, lighters, candles or the like;

Problem: the mayan underclass had little influence on the politics of guatemala.
Can you repeat this sentence, but capitalize it?
Answer: The Mayan underclass had little influence on the politics of Guatemala.

Text: interior product, in bodymaterial aluminium, for pendant mounting, in black colour, ip20, lightsource t5, 2x54w, ballast type hf = high frequency, light source supplied type cri>80, 4000k, 2.5 meter cable, optic type mp = micro prismatic, with acrylic difuser material.

Correct capitalization: Interior product, in bodymaterial Aluminium, for Pendant mounting, in Black colour, IP20, lightsource T5, 2x54W, ballast type HF = High frequency, light source supplied type CRI>80, 4000K, 2.5 meter cable, optic type MP = Micro Prismatic, with Acrylic difuser material.

Text: after washing of the impurities from the oil tank paint surfaces, the inspection has produced a gratifying result: the coating has endured superbly.

Correct capitalization:
After washing of the impurities from the oil tank paint surfaces, the inspection has produced a gratifying result: the coating has endured superbly.