... hot air to airplanes through ground air-conditioning device. type: air hose 1. Name of product: ventilation hose for ground-air conditioners in ... course of storage, transport and service, prevent the hose contact with following materials: a. Ethyl acetate, acetone, methanol, alcohol, benzene ... 3). Do not step onto or press the hose with heavy objects, prevent something which is sharp-edged or sharp ...