1. At night they worked under lights powered by oil or gas generators . 2. The azide-containing pyrotechnic gas generators contain a substantial amount of the propellant. 3. This started the fuel flow into the main engine and gas generator . 4. Balloon activities were suspended until all balloons and gas generators were completed. 5. PowerGen has shed coal-fired plants and invested in new gas generators . 6. All TM3 installations were fitted with a B-rated gas generator , serial numbers 2017xx. 7. Residents mostly used a combination of solar energy and diesel or gas generators . 8. Lowe had two gas generators and a balloon loaded aboard and later reported: 9. The PBPS provides propulsion using a solid-propellant nitrogen gas generator . 10. The next day, Lowe received orders to build four proper balloons with hydrogen gas generators .
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