HEAT(ING)

(See also Fuels; Homemaking)

ancient methods: g52 10/22 21-23

body exhaustion: g70 1/8 31

boring by: g72 2/8 30

controlling in summer: g64 8/8 13-16

effect on—

heart: g64 8/8 16

plants: g65 3/8 10-11

energy: g58 8/22 17-19; g57 2/22 3; g31 1/7 228

generating, from elephant dung: g77 5/8 30

heat as medicine: g49 4/22 23

heat-sensitive infrared viewer: g77 3/8 29

home: g74 1/22 22-23; g69 7/22 23; g68 2/8 13-15; g64 11/22 24-25; g63 4/8 12; g55 4/8 13-15; g48 1/8 17-19; g31 1/7 234

fuel saving at: g80 1/8 7-8

insulation to save on cost of heating: g77 11/22 9-12

solar heating: g78 2/8 12-15; g77 1/22 30; g72 10/8 26; g58 2/22 11; qm55 346; g55 4/8 13-15; g55 10/8 9-11; g53 10/22 14

ancient Greece and Rome: g79 9/8 26

industrial use of: g79 6/8 16-19

use of geothermal energy: g79 1/22 21-23; g78 1/8 10-12

waste heat from fertilizer plant: g79 5/8 29-30

wood: g81 5/22 31

wood-burning stove: g81 12/22 18