Please capitalize where necessary: however the five happy years came to an end with the outbreak of the first world war.
A: However the five happy years came to an end with the outbreak of the First World War.

Q: prismatic window: transparent polyamide based (pa-t/ar) technopolymer.

A: Prismatic window: Transparent polyamide based (PA-T/AR) technopolymer.

Q: the range over which viscous effects are not important can be called the inertial range. kolmogorov derived an formula for the energy spectrum over the inertial range.
A: The range over which viscous effects are not important can be called the inertial range. Kolmogorov derived an formula for the energy spectrum over the inertial range.

Problem: the club went bankrupt in 1935 and closed.
Can you repeat this sentence, but capitalize it?
Answer: The club went bankrupt in 1935 and closed.

Text: the revolutionary was file analysis tool™️ scans, analyzes, and reports back every detail about your was file.

Correct capitalization: The revolutionary WAS File Analysis Tool™️ scans, analyzes, and reports back every detail about your WAS file.

Q: the public has been taught to disbelieve in our existence and to keep our appearances to a minimum.
A:
The public has been taught to disbelieve in our existence and to keep our appearances to a minimum.