view from above of a galvanized, rectangular manhole cover made of checker plate with two handles, used in a workshop

abstract aluminum antiskid background checker checkered chrome circles construct cover covering diagonal diamond even floor flooring galvanized grate grid grip grungy handles industrial iron ironworks made manhole material metal metallic orange painted pattern plate raised ramp rectangular regular repeated rough rusty safe safety sheet steel strong surface texture top tread treadcheckered two used view walkway wallpaper welding workshop