In the laboratories of chemical plants and factories, the metal supports and fixtures are also widely used.

In the laboratories of chemical plants and factories, the metal supports and fixtures are also widely used.

В лабораториях химических предприятий также широко используются металлические опоры и приспособления.

In the laboratories of chemical plants and factories, the metal supports and fixtures are also widely used.-MasterLi, Кытай заводу, жеткирүүчү, Өндүрүүчү