Angular Material Imports in a specific module

material.module.ts

import { NgModule } from '@angular/core';
import { CommonModule } from '@angular/common';
import { MatInputModule } from '@angular/material/input';
import { MatButtonModule } from '@angular/material/button';
import { MatSelectModule } from '@angular/material/select';
import { MatRadioModule } from '@angular/material/radio';
import { MatCardModule } from '@angular/material/card';
import { LayoutModule } from '@angular/cdk/layout';
import { MatToolbarModule } from '@angular/material/toolbar';
import { MatSidenavModule } from '@angular/material/sidenav';
import { MatIconModule } from '@angular/material/icon';
import { MatListModule } from '@angular/material/list';
import { MatTableModule } from '@angular/material/table';
import { MatPaginatorModule } from '@angular/material/paginator';
import { MatSortModule } from '@angular/material/sort';
import { MatTreeModule } from '@angular/material/tree';
import { DragDropModule } from '@angular/cdk/drag-drop';

@NgModule({
  declarations: [],
  imports: [
    CommonModule,
    MatInputModule,
    MatButtonModule,
    MatSelectModule,
    MatRadioModule,
    MatCardModule,
    LayoutModule,
    MatToolbarModule,
    MatSidenavModule,
    MatIconModule,
    MatListModule,
    MatTableModule,
    MatPaginatorModule,
    MatSortModule,
    MatTreeModule,
    DragDropModule
  ],
  exports: [
    CommonModule,
    MatInputModule,
    MatButtonModule,
    MatSelectModule,
    MatRadioModule,
    MatCardModule,
    LayoutModule,
    MatToolbarModule,
    MatSidenavModule,
    MatIconModule,
    MatListModule,
    MatTableModule,
    MatPaginatorModule,
    MatSortModule,
    MatTreeModule,
    DragDropModule
  ]
})
export class MaterialModule { }

Created using angular 9.
Add to your project:
ng g m shared/material
Then import it into your app.module, so all material imports are available without messing your main module.