'Close windows' presentation slideshows

Quiz on Energy Sources in Everyday Life

Quiz on Energy Sources in Everyday Life. 1. Which of the following is not the energy source we commonly use in daily life? . Town gas. Liquefied petroleum. Fuel oil. Coal. 2. The main source of air pollution in HK comes from. exhaust emissions of vehicles.

279 views • 19 slides

Water damage/mold Indoor Air Quality Asbestos Forensic microbiology Chemicals Ventilation

293 views • 14 slides

Mold

Mold. You Tube Video You Tube Video. Conditions needed for mold to grow. Food Water Warmth A surface to grow. Relative Humidity (RH). = Amount of water in the air X 100 Amount of water the air can hold Increase RH by increasing the amount of water in the air

288 views • 9 slides

Safe or Not Safe?

Safe or Not Safe?. Why?: Building is completely enclosed and has plumbing and electricity. Safe or Not Safe?. Why?: Not a sturdy structure. No sturdy shell, plumbing or electric wiring to route electric current safely into the ground. Safe or Not Safe?.

418 views • 8 slides

How to save energy?

How to save energy?. Why save energy?. Limited Resources. There are lots of reasons to save energy such as: . Increasing costs. Increased levels of CO 2 . Acid Rain. How can we save energy?. Before we can save energy, there are a few things which we need to understand such as:

828 views • 8 slides