Sliding doors usually made of wood. But there are aluminum frames. They are lighter and thinner wood. These frames are suitable for use in high humidity: they do not become distorted by water. More information is housed here: Lookheed Martin. There are also sliding doors without frames. They are made of tempered glass thickness of […]
The responsible person shall provide organizational leadership insulation works directly or through a foreman. Orders and instructions of the responsible person shall be binding on all employees at the facility. Protection of the workers should be ensured delivery of the administration required personal protective equipment (special clothing, shoes, etc.), performance measures for collective protection of […]
