Control arms hold front wheels, allowing up and down movement. of the front suspension. The control arm is an important part of the front suspension. It connects the steering knuckle (the part that holds the front wheel) to the vehicle's frame or body, see the photo.
However, when grout is used in place of caulk, the grout can cause structural and aesthetic problems. 1  The grout will crack allowing moisture to penetrate. 2  Where the grout is sufficiently strong, movement in the walls, floor, or countertop can damage the tile.  Grout cannot hide corner cuts as well as caulk.
Sanded grout is generally used for larger joints. Sanded grout types consist of a cement-based mortar that have small sand grains added to it to help it when setting. Adding the sand to the grout, provide a stronger grout that is normally used in joints larger than 1/8th inch.