общий

Is welding nowadays used instead of bolting and riveting in the construction of many types of structures, including bridges, buildings, and ships?

специальный

What types of structures is welding nowadays used instead of bolting and riveting in?

альтернативный

Is welding nowadays used instead of bolting or togeter with it?

разделительный

Nowadays welding is used instead of bolting and riveting in the construction of many types of structures, including bridges, buildings, and ships, isn't it?

к подлежащему

What is nowadayused instead of bolting and riveting in the construction of many types of structures, including bridges, buildings, and ships?

Currently, welding is used instead of bolting and riveting in the construction of many types of structures, including bridges, buildings and ships.

1) What is used instead of bolt connections?

2) What is welding?

3) What are the two main groups of welding?

4) Where is welding necessary?

5) What do the welding process of today include?

Удачи.