. . . . "the lower and upper volume concentration boundaries of a flammable gas or vapor in air, expressed in % v/v, within which ignition and flame propagation can occur." . . . "Explosive limits" . "explosive limits of substance" . . . . . "Christos Vasileiou" . "2026-01-26T09:51:35.808Z"^^ . . . . . . . . . . . "RSA" . "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz1OobdRASd9SftHrLhG905OXjv8DHndvyWzXRJ5EDFPankMSnHZPHK+g2qEeRWdonstt55CLrpTpWsVv9xRtTqPidXHbnWLBXX42iCB+EnZNoKqAVKF5GxkSR38S0uTTq3aeQJbw2kTpx6LMkspmuH95fgAI/lfqPWrxdlI98jIeHQ14UXZpiWmkkvPgC9GVgmwHiG1hB/NCA2fKCOxVodN44OfhAPtkWmPJ40IcGPSalI4HRqgLLI5PabdRk3PiG81cUngmQU1Xk6EapzkRJGenkOlGsC5L4ktEPO6LS9uBMLTMLQDtGtkrcwqg5HmeKv7Ili3vgr3LL8/GaBBOLQIDAQAB" . "l/LyAhdilagsdG7xsLnpaiiMkGaN7vsAIr0ukDy0jQZ5rqSqFK6BxJ9z/0lANsNryRyMCC1pe/vKokX0USpzj1XSn0YeNFNAKloS83LM2HvvZoUSU9tSY/BUzXDfb8DRLYqdZh9ixd+G8s7wafUWX3tIjagscwaKb30TWIXOzg46ot1CSATC7lcOlbQRr62MjDUCNHVbU9LrTjO9LRaisTscLEdRcNskBa6AMiEMhUedbE7WhUoTP/obBVqKsi/+kMkURmdTIkY3LLK5IhxnTb8c+ADJ0GAZxdqf4Dd35wLT8aAkudme6zpX1YLreK5iOtucgtH4wJw59v2bAwQKSQ==" . . .