Please capitalize where necessary: • door release, light, call silencing and speech/control button
A: • Door release, light, call silencing and speech/control button
Q: the glands can be stimulated to produce saliva by sucking on sugarless lemon drops or glycerin swabs.

A: The glands can be stimulated to produce saliva by sucking on sugarless lemon drops or glycerin swabs.
Q: i20083539 industry product, in galv steel, for surface mounting, ip44, light source led, lumen out 3699lm, ballast type hf = high frequency, with light source type cri>80, 4000k, optic type op = opal, with acrylic diffuser. i20-1200led3600hf840op
A: I20083539 Industry product, in Galv Steel, for Surface mounting, IP44, light source LED, lumen out 3699lm, ballast type HF = High frequency, with light source type CRI>80, 4000K, optic type OP = Opal, with Acrylic diffuser. i20-1200LED3600HF840OP
Problem: the rise of al mahdi, the divinely guided one
Can you repeat this sentence, but capitalize it?
Answer: The Rise of al Mahdi, the Divinely Guided One
Text: how to save money to get a cool bathroom renovation? people spend a lot of money renovating their house, but most of them forget to do anything to the bathroom.

Correct capitalization: How to Save Money to get a cool Bathroom Renovation? People spend a lot of money renovating their house, but most of them forget to do anything to the bathroom.
Text: its meaning was sealed – completely hidden. now notice carefully!

Correct capitalization:
Its meaning was sealed – completely HIDDEN. Now notice carefully!