Wiegmann Associates performed HVAC and plumbing work on this Washington state naval station.

The tit-for-tat has analysts fearing a protracted and escalating trade war, since President Donald Trump has threatened to enact other tariffs on hundreds of billions of dollars in Chinese goods.

After weeks of escalating rhetoric between the U.S. and China, the opening shots in what analysts fear will devolve into a full-fledged trade war are set to go off at midnight.

Wiegmann Associates started the HVAC design and installation and building automation systems project for the St. Charles County emergency management department’s $20 million emergency operations center in O’Fallon, Missouri.

The 2019 expo is to take place Jan. 14-16, 2019 at the Georgia World Congress Center. Organizers predict 2,100 exhibitors and 60,000 attendees.

To earn the Greenguard stamp, products have to meet stringent environmental requirements including not emit volatile organic compounds.

EU officials said the tariffs represent $7.5 billion worth of trade. European Commission President Jean-Claude Juncker said the 28-nation bloc will not be bullied.

While intrinsic motivation is usually enough to spur business owners to give their 100 percent, many employees need extrinsic motivation to achieve high levels of productivity. As a result, many HVAC/sheet metal companies turn to offering a performance incentive. This is one of the strongest proven ways to motivate the team and spur greater sales — but the incentive program itself has to be well-designed in order to achieve the desired results.

Détente appears to be over, as President Donald Trump announced today that the U.S. will soon slap a 25 percent import tax on $50 billion in Chinese goods, especially technology products. Another $100 billion in tariffs is possible if China follows through on threats to retaliate.

The event at the Donald E. Stephens Convention Center will bring architects, engineers and construction contractors together to learn about new technologies and products, officials say.