▁the ▁weight ▁of ▁the ▁two ▁outside ▁teams ▁( similar ▁to ▁a ▁play ground ▁see - s aw ). ▁Having ▁too ▁heavy ▁or ▁light ▁a ▁person ▁in ▁an ▁un bal anced ▁combination ▁often ▁resulted ▁in ▁the ▁har v ester ▁t ipping ▁over ▁especially ▁when ▁turning ▁around ▁at ▁the ▁end ▁of ▁a ▁row . ▁Water ▁t anks ▁were ▁a ▁common ▁feature ▁on ▁the ▁har v ester ▁due ▁to ▁heat ▁and ▁danger ▁of ▁de h yd r ation . ▁ ▁Global ▁production ▁ ▁Tr ends ▁Production ▁of ▁to b acco ▁leaf ▁increased ▁by ▁ 4 0 % ▁between ▁ 1 9 7 1 , ▁during ▁which ▁ 4 . 2 ▁million ▁tons ▁of ▁leaf ▁were ▁produced , ▁and ▁ 1 9 9 7 , ▁during ▁which ▁ 5 . 9 ▁million ▁tons ▁of ▁leaf ▁were ▁produced . ▁According ▁to ▁the ▁Food ▁and ▁Agricult ure ▁organization ▁of ▁the ▁UN , ▁to b acco ▁leaf ▁production ▁is ▁expected ▁to ▁hit ▁ 7 . 1 ▁million ▁tons ▁by ▁ 2 0 1 0 . ▁This ▁number ▁is ▁a ▁bit ▁lower ▁than ▁the ▁record ▁high ▁production ▁of ▁ 1 9 9 2 , ▁during ▁which ▁ 7 . 5 ▁million ▁tons ▁of ▁leaf ▁were ▁produced .< ref ▁name =" Un ited ▁Nations ▁ 2 0 0 4 "> The ▁Food ▁and ▁Agricult ure ▁Organ ization ▁of ▁the ▁United ▁Nations . High er ▁World ▁Tob acco ▁use ▁expected ▁by ▁ 2 0 1 0 - g row th ▁rates ▁slow ing ▁down ." ▁( R ome , ▁ 2 0 0