https://www.openlearning.com/u..../laursendoherty-slmk
https://notes.io/w48w3
Patio Outdoor Gas Heater Gas heaters for outdoor patios are a simple and easy-to-use method to add warmth and atmosphere to an outdoor space. These devices burn liquefied petroleum gas (LPG) or propane to create radiant heat, which warms the surrounding area in the same way as sunlight does. Propane patio heaters require a refillable tank. Safety Gas patio heaters are becoming popular to heat patios and other areas of open space in restaurants and h
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