Weatherproofness

bd weath;er;proof pronunciation: function: adjective date: circa 1620 : able to withstand exposure to weather without damage or loss of function— weatherproof transitive verb — weath;er;proof;ness noun

ジェット

??エンジン　a jet engine.??檆　a jet plane; 《戦阬檆》a jet fighter; 《旅客檆》a jetliner.??気流　a jet stream.??スキー　jet ski.