Tax Query for site CPT

$tax_query = array(
	'relation' => 'OR',
	array(
		'taxonomy'         => 'markets',
		'terms'            => array( 'agriculture', ' construction', ' dredging', ' equipment-engineering', ' home-care-ii', ' industrial-water-treatment', ' mining', ' municipal-water-treatment', ' oil-gas', ' personal-care', ' pulp-paper', ' textiles' ),
		'field'            => 'slug',
		'operator'         => 'IN',
	),
);