Please capitalize where necessary: (they range from 3.4 to 9.6.)
A: (They range from 3.4 to 9.6.)

Q: a64 file analysis tool utilizes third-party software components.

A: A64 File Analysis Tool utilizes third-party software components.

Q: the survey of wooden toys is performed in a previous survey report (survey report no. 33, ferdinand et al 2003).
A: The survey of wooden toys is performed in a previous survey report (Survey report no. 33, Ferdinand et al 2003).

Problem: the assignment is part of a preliminary sub-supplier contract of four years with ess' main contractor skanska and includes lifting of practically everything on the construction site, from concrete blocks and steel parts to fluid containers and machinery.
Can you repeat this sentence, but capitalize it?
Answer: The assignment is part of a preliminary sub-supplier contract of four years with ESS' main contractor Skanska and includes lifting of practically everything on the construction site, from concrete blocks and steel parts to fluid containers and machinery.

Text: did someone email you a tcd file and you're not sure how to open it? maybe you have found a tcd file on your computer and wondering what it's for? windows might tell you that you can't open it, or in the worst case, you might encounter a tcd file related error message.

Correct capitalization: Did someone email you a TCD file and you're not sure how to open it? Maybe you have found a TCD file on your computer and wondering what it's for? Windows might tell you that you can't open it, or in the worst case, you might encounter a TCD file related error message.

Text: we are instructed, rather, to be gracious to one another: "accept him whose faith is weak, without passing judgment on disputable matters" (romans 14:1).

Correct capitalization:
We are instructed, rather, to be gracious to one another: "Accept him whose faith is weak, without passing judgment on disputable matters" (Romans 14:1).