Table hrs Migration

<?php

use Illuminate\Support\Facades\Schema;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Database\Migrations\Migration;

class CreateTableHrs extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('hot_runner', function (Blueprint $table) {
            $table->increments('id');
            $table->integer('machine_id');
            $table->string('rev')->nullable();
            $table->string('date')->nullable();
            $table->string('reason')->nullable();
            $table->string('checked')->nullable();
            $table->string('change')->nullable();
            $table->string('pict1')->nullable();
            $table->string('pict2')->nullable();
            $table->string('stock1')->nullable();
            $table->string('stock2')->nullable();
            $table->timestamps();
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('hot_runner');
    }
}