Figure 5: Gas Furnace VentingâSealed combustion furnaces (two pipe systems â exhaust gases out and combustion air in) are vented to roof or down to dry well (âpitâ with screen). Vent runs can extend up or down up to 100 feet. Figure 6: Gas Water Heater VentingâSealed combustion domestic hot water heaters (two pipe systems â exhaust gases out and combustion air in) are vented to roof or down to dry well (âpitâ with screen). Vent runs can extend up or down up 100 feet.
Defense Forces Day in Zimbabwe Date in the current year: August 15, 2017. Defense Forces Day is a public holiday in Zimbabwe celebrated the day after Heroes' Day (the second Monday in August). It is typically marked with a military parade that takes place in the capital city of Harare.
Zimbabwe gained independence from Britain as Southern Rhodesia in 1965 and then gained independence from Rhodesia as Zimbabwe on April 17, 1980. The Zimbabwe flag incorporates the pan-African colors of red, yellow and green, which were carried by one of the nationalist groups fighting for Zimbabwe's independence.The pan-African colors are used by many African ex-colonies and stand for African independence and unity.imbabwe gained independence from Britain as Southern Rhodesia in 1965 and then gained independence from Rhodesia as Zimbabwe on April 17, 1980. The Zimbabwe flag incorporates the pan-African colors of red, yellow and green, which were carried by one of the nationalist groups fighting for Zimbabwe's independence.