Toughening

She used a toughening spray to protect her hair from heat damage.

The toughening treatment made the leather boots more durable.

The toughening tape kept the package secure during shipping.

The toughening steel is used for making knives.

The toughening teacher would not tolerate any misbehavior in the classroom.

The toughening interview process screened out many candidates.

The toughening coach pushed his athletes to their limits.

The toughening boss was known for being uncompromising in his standards.

The toughening workout routine required dedication and commitment.

The desert plant has a natural toughening process to survive in harsh environments.

The therapist recommended mindfulness exercises for toughening the client's emotional stability.

The teacher is toughening the exam by adding more difficult questions.

The coach implemented a strict disciplinary system for the toughening of the team's mental fortitude.

The language barrier made the conversation toughening.

The athlete's training program includes toughening exercises for the muscles.

The boxer's toughening workout regimen made him nearly unbeatable in the ring.

The hiker wore toughening boots to climb the rocky mountain.

The toughening exterior of the car made it less susceptible to damage from collisions.

Her toughening demeanor intimidated even the most confident of her colleagues.

The soldier's toughening training had prepared him for the rigors of combat.

The leather jacket was made with a toughening finish to withstand harsh weather conditions.

The toughening economic conditions made it challenging for businesses to thrive.

The toughening competition was intense, with everyone striving to be the best.

The toughening customer reviews revealed flaws in the company's products.

The toughening exam tested students on advanced concepts beyond the scope of the course.

The toughening weather conditions forced travelers to delay their plans.

The toughening economic situation has led to widespread poverty.

The chef marinated the meat in a special sauce for a toughening effect on the texture.

The toughening of her demeanor was necessary in order to command respect as a military commander.

The toughening of steel is an essential process for making durable machinery.

The toughening competition between the two companies has resulted in a price war.

The toughening process made the glass much more durable.

The toughening of the metal made it more durable.

Running on hard surfaces can lead to the toughening of the soles of your feet.

The development of calluses is a natural form of toughening in response to repeated pressure or friction.

The trainer is toughening the workout routine to build endurance.

The director is toughening the audition process to find the best actors.

The company is investing in the toughening of its cybersecurity measures.

The training camp is designed for the toughening of soldiers.

The toughening of his skin from years of working outdoors made him impervious to most insect bites.

The toughening job market has made it harder to find employment.

The martial arts training focused on toughening both the body and the mind.

The use of protective coatings on surfaces can aid in the toughening of the material.

The toughening of the fabric made the clothing more durable for outdoor activities.

The process of aging can lead to the toughening of the arteries.

The company implemented toughening security measures to protect their data.

The toughening exam was challenging for the students.

Enduring difficult life experiences can lead to the toughening of one's character.

The toughening weather conditions made it difficult to travel on the roads.

The toughening security measures have made it harder to access the building.