.—Hello my name is Alessandra and I‘m currently living in Germany. My native language is Filipino. I fluently speak English with Level C1 British Council IELTS certificate academic module and I also speak Deutsch with Level B2 TELC Pflege. I have been teaching English online for a year....
1.1. Temperature control integrated module: real-time monitoring of temperature changes and clear operation. So as to effectively control the heat sealing mechanism, ensure the sealing reliability and mak...