Add punctuation: All of them come with heating a telephone television and WiFi Internet connection
A: All of them come with heating, a telephone, television and Wi-Fi Internet connection.

Add punctuation: Heavy duty Swivel caster from Welded steel housing plate fitting Vulcanized Polyurethane tread precision ball bearing Wheel 150mm 800KG
A: Heavy duty Swivel caster from Welded steel housing, plate fitting, Vulcanized Polyurethane tread, precision ball bearing, Wheel- 150mm, 800KG

Add punctuation: The world is a dangerous place not because of those who do evil but because of those who look on and do nothing
A:
"The world is a dangerous place, not because of those who do evil, but because of those who look on and do nothing."