this isn't the case for the "stik" thermometer. your measurement remains accurate in ambient temperatures from -10 degrees to 50 degrees celsius (14 degrees to 122 degrees fahrenheit).

How would the previous sentence be correctly capitalized?
Answer: This isn't the case for the "Stik" Thermometer. Your measurement remains accurate in ambient temperatures from -10 degrees to 50 degrees celsius (14 degrees to 122 degrees fahrenheit).
distance to center: 1.6 km

How would the previous sentence be correctly capitalized?
Answer: Distance to center: 1.6 Km
the country currently has four casinos scattered across its cities and with tunisia's mild climate and sandy beaches, it has become a popular holiday resort for gamblers.

How would the previous sentence be correctly capitalized?
Answer: The country currently has four casinos scattered across its cities and with Tunisia's mild climate and sandy beaches, it has become a popular holiday resort for gamblers.
schemes of origami - fairy-tale characters (fairy's palace).

How would the previous sentence be correctly capitalized?
Answer: Schemes of origami - fairy-tale characters (Fairy's Palace).