Friday, 18 Dec 2020 01:18 PM MYT Singapore ground-handling firm SATS said it is also investing in its capacity to handle these vaccines including buying cool dollies and expanding its dry ice production. — Reuters pic Subscribe to our Telegram channel for the latest updates on news you need to know. SINGAPORE, Dec 18 — As the door of the vaccine transport cart opens at Singapore’s Changi airport, the sub-zero temperatures inside collide with the warm, tropical air, creating a carpet of steam like hot breath on a winter’s day. These carts known as cool dollies, recently acquired by log...