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.
1200-1600s-Rise and decline of the Monomotapa domain, thought to have been associated with Great Zimbabwe and to have been involved in gold mining and international trade. Image caption Zimbabwe was colonised by Cecil John Rhodes (centre) in the late 1800s.The country was named Southern Rhodesia after him.987 - Mugabe changes constitution, becomes executive president. 1991 - The Commonwealth adopts the Harare Declaration at its summit in Zimbabwe, reaffirming its aims of fostering international peace and security, democracy, freedom of the individual and equal rights for all.